Integers Multiple Choice Questions

Integers

• The integer that is neither positive nor negative is 0.
• There is no greatest negative integer.
• The product of the greatest two-digit integer and the smallest two-digit positive integer is 99 × 10 = 990.
• The product of five negative integers and two positive integers is always negative.
• The sum of -3 and 15 is 12.
• 0 ÷ (-3) is undefined.
• The integer whose product with -1 is:
• 25 is -25
• -35 is 35
• -26 is 26
• The difference between the smallest positive integer and the greatest negative integer is undefined.
• The next number in the series -11, -8, -5, -2 is -1.
• The sign of the product of 8 negative integers and 3 positive integers is negative.
• The sign of the product of (-1) multiplied 2m times, where m is a natural number, is negative if m is odd and positive if m is even.
• The room temperature 10 hours after the process begins is -20°C.

Data Handling

• The middle value of the given observation is called the median.
• The value that occurs most frequently in the given data is called the mode.
• The mean of the first 5 prime numbers is (2 + 3 + 5 + 7 + 11) / 5 = 28 / 5 = 5.6.
• The difference between the highest and lowest observation is called the range of the given data.
• The average of the given observations is called the mean.
• The median of the marks is 39, and the mode is 38 and 39.
• The mean, median, mode, and range of the price of apples varied over a period of months need to be calculated.

Fractions and Decimals

• The reciprocal of 7/2 is 2/7, of 11 2/3 is 3/11, and of 20/5 is 5/4.
• The product of:
• 2/3 and 9/4 is 3/2
• 1 ½ and 3 ½ is 5 ¼
• 0.001 and 0.05 is 0.00005
• 2.5 and 100 is 250
• The area of the rectangular park is 7 1/6 × 11 3/7 = 80 23/42 square meters.
• The length of each piece of the rope is 7 1/5 ÷ 12 = 35/60 = 7/12 meters.
• The other decimal is 32.396 ÷ 5.2 = 6.23.
• The result of dividing 20.45 by 0.5 is 40.9.

Lines and Angles

• A pair of supplementary angles is 130⁰ and 50⁰, or 69⁰ and 111⁰, but not 30⁰ and 60⁰.
• When the sum of the measures of two angles is 90⁰, the angles are called complementary.
• A line that intersects two or more given lines in a plane at different points is called a transversal to the given lines.
• The supplementary angle of 25° is 155⁰.
• The measure of the complement of an angle of measure 80⁰ is 10⁰.
• Statement 1 is correct, and Statement 11 is correct.
• The value of x, y, and z in the figure can be calculated using angle properties.
• The values of x and y in the figure can be calculated using angle properties.
• The pairs of alternate angles, alternate interior angles, and pairs of angles that form a linear pair can be identified in the figure.