Module 1: MATHEMATICS PDF

Training Center – Vietnam Airlines Engineering Company Bank Basic B1 Module 1: MATHEMATICS 1.1 Arithmetic. (level 2) 1. A car travels 24 miles in 45 minutes. What is its average speed? (Level 1) A. 32 mph. B. 36 mph. C. 18 mph. 2. 15.4/2 - 2*...

Training Center – Vietnam Airlines Engineering Company Bank Basic B1 Module 1: MATHEMATICS 1.1 Arithmetic. (level 2) 1. A car travels 24 miles in 45 minutes. What is its average speed? (Level 1) A. 32 mph. B. 36 mph. C. 18 mph. 2. 15.4/2 - 2*(6.2 - 15.6). (Level 1) A. 11.1. B. 26.5. C. -11.1. 3. A cuboid has dimensions of 4 cm, 6 cm and 12 cm. What is its volume?. (Level 1) A. 0.028 m^3. B. 2.88 m^3. C. 0.000288 m^3. 4. What is a scalene triange?. (Level 1) A. 2 sides unequal. B. All 3 sides unequal. C. 2 sides equal. 5. Work out the following sum: 4 {2 (5-1) -3} + 8. (Level 1) A. 28 B. 37. C. 54. 6. A rectangle is 11cm x 120cm. What is its area in m^2 ?. (Level 1) A. 0.132. B. 1320. C. 13.2. 7. The surface area of a cone whose height is 10 cm and diameter is 8 cm is. (Level 1) A. 40π cm^2. B. 120π cm^2. C. 80π cm^2. 8. 4 3/8 – 2 1/4 + 1/8 = (Level 1) Module 1 Page 1 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 A. 2.2 B. 2.5. C. 2 1/4 9. 11/16 + 5/8 = (Level 1) A. 55/128. B. 21/16. C. 10/11. 10. 3/4 multiplied by 0.82 is equal to. (Level 1) A. 1.23. B. 0.615. C. 2.46. 11. 7/6 can be expressed as. (Level 1) A. 1.166. B. 2.6. C. 1.6. 12. The ratio of 6:5 can be expressed as. (Level 1) A. 24:20. B. 20:25. C. 10:16. 13. 14^3 can be expressed as. (Level 1) A. 14 * 14 * 14. B. 14 x^3. C. 14 + 14 + 14. 14. 0.0000413 can be written as. (Level 2) A. 0.413 x 10^7. B. 413 x 10^7. C. 4.13 x 10^7. 15. 5/8 + 3/4 = (Level 2) A. 11/4. B. 8/8. C. 11/8. 16. The Lowest Common Denominator for the problem below is 1/6 + 1/5 + 1/17 + 1/2. (Level 2) A. 510. B. 1020. Module 1 Page 2 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 C. 17. 17. The formula for calculating the area of a right angled triangle is. (Level 2) A. ½ height + base. B. ½ (base * height). C. ½ base / height. 18. The area of a circle whose circumference is given as 12cm is approximately. (Level 2) A. 3.8 sq.cm. B. 11.3 sq.cm. C. 38 sq cm. 19. Area of a right circular cone of base radius r, and height l, is. (Level 2) A. 2/3 (π * r * l). B. (π * r * l) + 2π * r * r. C. π * r * l. 20. Determine (+ 3)-(-4). (Level 1) A. -1. B. -7. C. +7. 21. To convert imperial gallons to litres, multiply by. (Level 1) A. 3.78 B. 5.4. C. 4.7. 22. Express 9/20 as a percentage. (Level 1) A. 45%. B. 40%. C. 47%. 23. To find the area of a circle, multiply. (Level 1) A. twice the radius by π. B. the square of the circumference by the radius. C. the square of the radius by π. 24. The specific torque loading for a bolt is 50 lbs.ins but an extension of 2 is needed to reach the bolt in addition to the 8 torque wrench. What will the actual reading?. (Level 1) A. 60 lb.ins. B. 54 lb.ins. Module 1 Page 3 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 C. 40 lb.ins. 25. Express the fraction 7/8 as a decimal. (Level 1) A. 0.785. B. 0.878. C. 0.875. 26. Determine 0.75 x 0.003. (Level 1) A. 0.225. B. 0.00225. C. 0.0225. 27. Convert 162 knots to MPH. (Level 1) A. 186 mph. B. 176 mph. C. 196 mph. 28. Four percent of 0.01 is. (Level 1) A. 0.0004. B. 0.004. C. 0.04. 29. (6 + 2)2 * 2 (2 * 45) = (Level 1) A. 218. B. 38. C. 128. 30. 17 degrees 49 minutes and 10 seconds added to 22 degrees 22 minutes and 59 seconds, equals. (Level 1) A. 40 degrees 11 minutes and 69 seconds. B. 40 degrees 12 minutes and 9 seconds. C. 39 degrees 11 minutes and 9 seconds. 31. The diameter of a cylinder is 200 cm and the height is 20 cm, what is the volume?. (Level 1) A. 628000 cm^3. B. 62800 cm^3. C. 8000 cm^3. 32. The comparison of the power input to the power output of an inverter is expressed as a. (Level 1) A. ratio. B. gain. Module 1 Page 4 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 C. loss. 33. The ratio of 6:4 can also be expressed as. (Level 1) A. 64%. B. 66%. C. 150%. 34. 200 kilovolts can be expressed as. (Level 1) A. 2 * 10^3 volts. B. 2 * 10^5 volts. C. 2 * 10^4 volts. 35. What is the surface area of a cone if the base is 8cm diameter and the height is 10cm?. (Level 1) A. 40π. B. 80π. C. 120π. 36. What is the area of a rectangle when its height is 11cm and the width 120cm?. (Level 1) A. 0.132 m^2. B. 1.32 m^2. C. 1320 m^2. 37. 4 3/8 – 2 ¼ + 1/5 = (Level 1) A. 2 1/4. B. 2 13/40. C. 3 3/10. 38. 4*(4 *(4 – 1) –1) –1 = (Level 1) A. 31. B. 15. C. 43. 39. Which number is the lowest common factor of 36, 66 and 126?. (Level 1) A. 23. B. 12. C. 6. 40. What is 3% of 0.001?. (Level 1) A. 0.00003. B. 0.003. Module 1 Page 5 / 24 Training Center – Vietnam Airlines Engineering Company Bank Basic B1 C. 0.3. 41. 11/16 divided by 5/8 is. (Level 1) A. 55/128. B. 11/10. C. 10/11. 42. An aircraft uses 1680 gallons of fuel, the left tank uses 45%, the right tank uses 32.5%, how much was used by the centre tank?. (Level 1) A. 210 gallons. B. 21 gallons. C. 378 gallons. 43. What is the fraction 1/7 in decimal?. (Level 1) A. 0.14295. B. 0.14286. C. 1.429. 44. The supplement of 13 degrees is. (Level 2) A. 243. B. 76. C. 167. 45. What is the area of a ring with an outer diameter of 90 inches and an inner diameter of 80 inches?. (Level 2) A. 325π. B. 435π. C. 425π. 46. What is the area of a rectangle with base 160cm and height 12cm?. (Level 2) A. 0.0192 m^2. B. 0.192 m^2. C. 0.00192 m^2. 47. An aircraft flies 1350nm in 2 hrs 15 minutes. What is the average speed?. (Level 2) A. 850kts. B. 600kts. C. 650kts. 48. 0.000006 volts can be written as. (Level 1) A. 60 nanovolts. B. 6 microvolts. Module 1 Page 6 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 C. 6 millivolts. 49. The median of the values 20, 28, 17, 34, 40, 11, 34, 26 is. (Level 2) A. 34.0. B. 27.0. C. 26.25. 50. The mode of the following 28, 17, 34, 28, 34, 35, 28, 40 is. (Level 2) A. 28.0. B. 30.5. C. 31.0. 51. 0.004 amperes can be written as. (Level 2) A. 0.4mA. B. 4kA. C. 4mA. 52. A sphere with a radius of 2 cm has a surface area of. (Level 2) A. 16π cm^2. B. 64π cm^2. C. 8π cm^2. 53. The sum of an odd and an even number is. (Level 2) A. sometimes odd, sometimes even. B. always odd. C. always even. 54. A copper pipe has a radius of 7/32 inch. What is this in decimal?. (Level 2) A. 0.28125. B. 0.15625. C. 0.21875. 55. Millibar is the unit of. (Level 2) A. temperature. B. pressure. C. density. 56. A ball rolls down a hill initially at 60 ft/s. It slows down at a rate of 5 ft/s^2 for 7 seconds. What will its final speed be?. (Level 2) A. 15 ft/s. B. 35 ft/s. C. 25 ft/s. Module 1 Page 7 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 57. A dial gauge is calibrated to an accuracy of 0.001 inch, when using the dial gauge, you should. (Level 2) A. round off the answer to calibrated value. B. read the true value to 4 decimal places. C. read five significant figures. 58. In a flight control system, the control cable is allowed an elongation of 3% due to wear. The length from the manufacturer is 78cm, what is its maximum used length?. (Level 2) A. 80.34 cm. B. 78.34 cm. C. 2.34 cm. 59. You have made 20% profit. Your balance is now £900. What was your pre-profit balance?. (Level 2) A. £700. B. £800. C. £750. 60. One of the square roots of a positive number is positive. What is the other one?. (Level 2) A. positive or negative. B. negative. C. positive. 61. A cylinder has a radius of 20cm and a length of 40cm. What is its volume? (Take π as 3.1). (Level 2) A. 49600cm^3. B. 50270cm^3. C. 800cm^3. 62. Can you take the cube root of a negative number?. (Level 2) A. No. B. Yes. C. Only certain numbers. 63. The process of removing roots from the denominator of fractions is called what?. (Level 1) A. Rationalizing the denominator. B. Squaring the denominator. C. Derooting the denominator. 64. Find the curved surface area of a cylinder diameter 20cm and length 10cm. (Level 1) Module 1 Page 8 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 A. 1256 cm^2. B. 2512 cm^2. C. 400 cm^2. 65. The conversion factor of litres to pints is. (Level 1) A. 2.2. B. 1.76. C. 0.57. 66. The volume of a pyramid is ____ times b times h. (Level 1) A. 1/4. B. 1/3. C. 1/2. 67. Find the square root of 1600. (Level 2) A. 80. B. 40. C. 800. 68. What is the ratio of 5 feet to 30 inches?. (Level 2) A. 2 : 1. B. 5 : 3. C. 1 : 6. 69. Evaluate 5[ 3 + 6(7-4)-2]. (Level 2) A. 31. B. 395. C. 95. 70. Find the value of 3[ 5-2( 4-7)]. (Level 2) A. 9. B. -3. C. 33. 71. What is the cube root of -64?. (Level 2) A. 4. B. -8. C. -4. 72. What is the cube root of 8^2. (Level 2) A. 2. B. 4. C. 8. Module 1 Page 9 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 73. An engine of 96 horsepower is running at 75% power. What horsepower is being developed?. (Level 2) A. 72. B. 168. C. 62. 74. A blueprint shows a hole of 0.3751 to be drilled. What fraction size drill bit is most nearly equal?. (Level 2) A. 5/16. B. 3/8. C. 3/16. 75. 120 out of 125 bolts produced are of an acceptable tolerance. What percentage of the bolts are not acceptable?. (Level 2) A. 5%. B. 4%. C. 25%. 76. Evaluate 1/4 + 3/8-1/2. (Level 2) A. 1/8. B. 1/14. C. 1/2. 77. 3 3/4 + 4 2/3 = (Level 2) A. 8 5/12. B. 7 5/12. C. 7 5/7. 78. An aircraft travels 1400 nautical miles in 1 hour 45 minutes. What is the average speed of the aircraft?. (Level 1) A. 750 knots. B. 2450 knots. C. 800 knots. 79. What is the square root of 4 raised to the fifth power?. (Level 2) A. 32. B. 128. C. 64. 80. -3[8-3(5+√9)-( 7-9)]. (Level 2) A. 60. B. -42. C. 42. Module 1 Page 10 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 81. Which of the fractions is equivalent to 0.075?. (Level 2) A. 1/40. B. 3/4. C. 3/40. 82. Express 3/8 as a percentage. (Level 2) A. 3.75%. B. 0.375%. C. 37.5%. 83. An aeroplane flies 1000 miles and uses 80 gallons of fuel. How much fuel will it use on a 2500 mile flight?. (Level 2) A. 240 gallons. B. 250 gallons. C. 200 gallons. 84. A pinion gear with 16 teeth is driving a spur gear with 48 teeth at 120 RPM. Find the speed of the pinion gear. (Level 2) A. 40 RPM. B. 360 RPM. C. 144 RPM. 85. What is the piston displacement of a master cylinder with a 4cm diameter bore and a piston stroke of 10 cm?. (Level 2) A. 8π cu.cm. B. 40π cu.cm. C. 160π cu.cm. 86. The curved surface area of a right cone is. (Level 2) A. 11/3 πRL. B. πRL. C. πR2 H. 87. How many millimetres in an inch?. (Level 2) A. 2.54. B. 25.4. C. 2540. 88. Find the the area of a circular ring Whose outer diameter is 10 cm and inner diameter is 6 diameter?. (Level 2) A. 64π sq. cm. B. 16π sq. cm. C. 4Π sq. cm. Module 1 Page 11 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 89. What is the area of the sector shown? Take π=3.14. (Level 2) A. 50 cm. B. 52 ⅓ cm. C. 10.5 cm. 90. 24/0 (twenty four divided by nothing) is. (Level 1) A. nothing. B. infinity. C. twenty four. 91. If 20% of 120 is 24, what is 24% of 20?. (Level 1) A. 4.8. B. 28. C. 18. 92. A shop keeper sold his car for £120. If this is 80% of the buying price, how much loss did he make?. (Level 1) A. £50. B. £150. C. £30. 93. 3 + 4-5(4-2) = (Level 1) A. 13. B. 4. C. -3. 2a Algebra. 94. Solve the following equation: 5x = 3x + 2. (Level 1) A. 3. B. 5. C. 1. 95. Simplify the following (w + z)(x - y)(y - w) / (y - x)(w - y)(w + z). (Level 1) A. -1. B. 0. C. +1. 96. Given 43-x = 21, find the value of x. (Level 1) A. 43-21. Module 1 Page 12 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 B. 43/21. C. 43+21. 97. Make L the subject of the formula 2pfL = x. (Level 1) A. L = 2pf. B. L = 2pf / x. C. L = x / 2pf. 98. Given that A = X+BY, what is Y equal to?. (Level 1) A. A-X add B. B. A-X divided by B. C. A-X minus B. 99. If y/x = 4 and y = 5 then x = (Level 1) A. 20. B. 4/5. C. 1 ¼. 100. (x - 3)(x + 5)=. (Level 1) A. x^2 +2x. B. x^2 +2x-15. C. x^2 -15. 101. 21=43- , is equal to. (Level 1) A. 21-43. B. 43+21. C. 43-21. 102. Evaluate. 2X^2 Z^2 (3X-Z^2 ) = (Level 2) A. 6X^2 z^2 +3x-z^2. B. 6x^2 z^2 -2x^2 z^2. C. 6x^3 z^2 -2x^2 z^4. 103. (a * b)(a * b) = (Level 2) A. a^2 + 2ab + b^2. B. a^2 b2. C. a^2 + b2. 104. If y/x = 4 and x = 5 then y = (Level 2) A. 1 ¼. B. 20. C. 4/5. 105. Factorise the following : x^2 -x-6=0. (Level 2) Module 1 Page 13 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 A. (x-2)(x+3). B. (x-2)(x-3). C. (x+2)(x-3). 106. Factorise the following : 4x^2 -6x-28 = 0. (Level 2) A. (4x-14) (x+2). B. (2x+7) (x-2). C. (2x^2 +7) (x + 2). 107. Solve for x in the equation: 3(x + 2) = 30 + 2(x-4). (Level 2) A. 8. B. 16. C. 15. 108. 2x = 4(x-3), Evaluate x. (Level 2) A. 6. B. 0.5. C. 2. 109. 12x/2y + 14 = 50, When y = 2, solve for x. (Level 2) A. 11.6. B. 14. C. 12. 110. 27y = 3 so y is equal to:. (Level 2) A. 1/9. B. 1/3. C. 9/1. 111. Determine x in the following: (2x-1)(3x+2) = 0. (Level 2) A. 1.5, 1. B. 0.5, 3. C. -0.67, 0.5. 112. (x + y + z)(x + y + z) = (Level 2) A. 2(x + y + z). B. 2x + 2y +2z. C. (x + y + z)^2. 113. If x in an equation equals Ly + 7cb, define the formula for finding the subject y. (Level 2) A. x-7cb/L. B. x-7cb/L. Module 1 Page 14 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 C. x-L/7cb. 114. 64y = 64 what does y = (Level 2) A. 1. B. 0. C. 0.5. 115. Simplify 3a-2b +6a-3b-2a. (Level 2) A. 7a-5b. B. 7a +5b. C. 7a +b. 116. Simplify 3x-2xy-3y +5xy-2x +2y. (Level 1) A. x + 3xy-y. B. 5x + 3xy-y. C. x-3xy + y. 117. Simplify 5(x-2y) + 3(2y-x). (Level 1) A. 4x +4y. B. 2x +4y. C. 2x-4y. 118. simplify (a+b)(a-c)(b-c) divided by (b+a)(c-a)(c-b). (Level 1) A. -1. B. (a+b)(a-c)(b-c). C. 1. 119. Make P the subject of the formula I =PRT/100. (Level 1) A. P = IRT/100. B. P = 100I/RT. C. P = 100RT/I. 120. Make u the subject of the formula v^2 = u^2 + 2as. (Level 1) A. u = v-2as. B. u = √(v^2 -2as). C. u = √(v^2 +2as). 121. Remove the brackets and simplify: (x-y)(x-y). (Level 1) A. x^2 -2xy-y^2. B. x^2 +y^2. C. x^2 -2xy+y^2. 122. Evaluate (3X^2 -6xy) / (x-2y). (Level 1) A. cannot be simplified further. Module 1 Page 15 / 24 Training Center – Vietnam Airlines Engineering Company Bank Basic B1 B. 3x-3y. C. 3x. 123. Evaluate (3a + 2b)(2a-3b). (Level 1) A. 6a^2 -5ab-6b^2. B. 6a-5ab-6b. C. 6a^2 + 5ab-6b^2. 2b Algebra. 124. Solve the following equations for x: 4x+8y=64 2x-8y=86. (Level 1) A. 125. B. 25. C. 5. 125. 11001+11001 = (Level 1) A. 502. B. 5010. C. 508. 126. 100000 in binary is what number in decimal?. (Level 1) A. 32. B. 16. C. 64. 127. D in hexidecimal is what number in decimal?. (Level 1) A. 17. B. 13. C. 8. 128.10101^2 +11001^2 = (Level 2) A. 4610. B. 468. C. 46^2. 129. What is 738 in binary coded decimal?. (Level 2) A. 1011110010. B. 111100010. C. 11100111000. 130. (A+B)4 is (A+B)^2. (Level 2) Module 1 Page 16 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 A. (A+B)6. B. (A+B)^2. C. A+B. 131. log 9-log 3=. (Level 2) A. log 6. B. log 3. C. log 9. 132. What is y in the formula shown? a=(X+B)/y. (Level 2) A. (a + X) / B. B. (X - B) /a. C. (X +B)/ a. 133. 67 divided by 127 is equal to. (Level 2) A. 1/2. B. 1/20. C. 1/128. 134. If 2x-8y=14 and 4x+8y=16; then x=. (Level 2) A. -1/2. B. 5. C. 3. 135. 2x-3 = 4; x = (Level 2) A. 7. B. -3. C. 3.50. 136. V = (a+b) r^2 Find a. (Level 2) A. V – r^2 – b. B. (V – b)/ r^2 C. V / r^2 – b. 137. Make m the subject of the formula in y=mx+c. (Level 2) A. y-x/c. B. y-c/x. C. y+c/x. 138. Make x the subject of the formula in y = mx+c. (Level 2) A. (y-c)/m. B. y-c/m. C. y-m/c. Module 1 Page 17 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 139. Make c the subject of the formula in y = mx+c. (Level 2) A. y-mx. B. mx-y. C. y+mx. 140. Octal is to the base of. (Level 2) A. 2. B. 16. C. 8. 141. 101110 in binary is. (Level 2) A. 46 base 8. B. 46 base 2. C. 46 base 10. 142. What is octal 13 in base 10?. (Level 1) A. 11. B. 5. C. 4. 143. What type of equation is this? ax^2 +bx+c = 0. (Level 1) A. Quadratic equation. B. Polynomic equation. C. Gradient of the line. 144. What is (X^2 * X^3 )^3 ?. (Level 1) A. X^36. B. X ^15. C. X ^10. 145. Hexadecimal is base. (Level 1) A. 16. B. 8. C. 2. 146. y=mx+c can also be written. (Level 1) A. x=y-c/m. B. x=y/m+c. C. x=y/m-c. 147. What is the log of 20000.2?. (Level 2) A. 0.47892. B. 4.7892. Module 1 Page 18 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 C. 47.892. 148. A quadratic equation has the real roots x=6 and x=9. Determine the equation which is satisfied by these roots. (Level 2) A. x^2 -54x+15=0. B. x^2 -15x+54=0. C. x^2 +15x-15=0. 149. What is 10111^2 -1001^2 ?. (Level 2) A. 1100 ^2. B. 1110 ^2. C. 1010 ^2. 150. What is the characteristic of 5.74?. (Level 2) A. 1. B. -1. C. 0. 151. What is log63?. (Level 2) A. 6log3. B. log18. C. 3log6. 152. Solve for x: 5x-7=3. (Level 2) A. x=-4/5. B. x=-2. C. x=2. 153. Octal is the word given to what base?. (Level 1) A. 8. B. 2. C. 16. 154. Which of the following is a quadratic equation?. (Level 1) A. 3x^2 +2x+1=0. B. 3x+2y+4=0. C. 3x^3 +3x-2 = 0. 155. What is log 1000?. (Level 1) A. 2.0787. B. 1.0787. C. 3.0787. 156. What is log AB?. (Level 1) Module 1 Page 19 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 A. log (A+B). B. log A+log B. C. Log A-Log B. 157. What is LogA/B?. (Level 1) A. log A+Log B. B. log A-Log B. C. Log (A-B). 158. log 100+2 = (Level 1) A. 4. B. Log 200. C. Log 200. 159. Log 100/2 = (Level 1) A. Log 200. B. Log 98. C. 1. 160. Log 100+cos60. (Level 1) A. 0.25. B. 25. C. 2.5. 3a Geometry. 161. If a wheel of radius R revolves 1/2 a turn, how many radians does it turn through?. (Level 1) A. 2π radians. B. 2R^2 radians. C. π radians. 162. If there are two similar angles in a right triangle, these angles are. (Level 1) A. supplementary. B. subordinate. C. complementary. 163. The three angles of a triangle summed together equal. (Level 1) A. 90o. Module 1 Page 20 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 B. 180o. C. 360o. 164. The circumference of a circle is found by. (Level 1) A. multiplying the diameter by 3.142. B. multiplying the radius by 3.142. C. dividing the diameter by 3.142. 165. Calculate the height of an obtuse triangle whose base is X cm and the area is Y square cm. (Level 2) A. Y x 2/X. B. Y + X/2. C. Y * 2 * X. 166. A right-angled triangle has sides of 3 inches and 4 inches, what will the third side be?. (Level 2) A. 5 inches. B. 5.5 inches. C. 6 inches. 167. To work out the circumference of a circle use. (Level 2) A. D * 0.3142. B. D * 3.142. C. D-3.142. 168. An equilateral triangle has. (Level 2) A. two equal side. B. no equal sides. C. three equal sides. 169. A quadrilateral with only two parallel sides is a. (Level 2) A. Trapezium. B. Trapezoid. C. Rhombus. 170. A triangle with equal angles is called. (Level 2) A. right angled. B. equilateral. C. isosceles. 171. Two gears are in mesh, one is larger than the other, the smaller gear rotates. (Level 2) A. at a faster speed. Module 1 Page 21 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 B. at a lower speed. C. at the same speed. 172. An acute angle is. (Level 2) A. less than 90 degrees. B. less than 180 degrees. C. more than 90 degrees. 173. A straight line which goes from one point on the circumference to another is called. (Level 2) A. an arc. B. a tangent. C. a chord. 174. What is the name given to a quadrilateral with two pairs of adjacent sides equal and the diagonals intersect at right angles? Note not all the sides are equal?. (Level 2) A. kite. B. parallelogram. C. rhombus. 175. Find the size of the other two angles of an isoscelese triangle with one angle of 100°. (Level 1) A. 40°, 40°. B. 30°, 30°. C. 100°, 20°. 176. A triangle always has. (Level 1) A. exactly one right angle. B. at least two acute angles. C. exactly two acute angle. 177. The locus of a point which stays the same distance from a given point is. (Level 1) A. a circle. B. a parallel line. C. an ellipse. 3b Geometry. Module 1 Page 22 / 24  Training Center – Vietnam Airlines Engineering Company Bank Basic B1 178. In the following equation what is the y-intercept? 4y = 2x + 8. (Level 1) A. 2. B. 4. C. 8. 179. How many times does the x-axis get crossed when y = x^2 -3. (Level 1) A. 3. B. 1. C. 2. 180. On a graph what is the intercept of y when 4y = x + 8. (Level 1) A. 4. B. 8. C. 2. 181. The graph points (9, 3) and (3, 1) what is the slope?. (Level 1) A. 9/5. B. 1/3. C. 3/1. 182. A straight line graph has the equation 3y = 12x–3 What is the gradient?. (Level 1) A. 1/4. B. 4/1. C. 3/4. Module 1 Page 23 / 24 Training Center – Vietnam Airlines Engineering Company Bank Basic B1 Module 1 Page 24 / 24