37 Questions
What is the next number in the series: 22, 21, 23, 22, 24, 23,...?
25
If KICK is coded as KCIK and MAAN is coded as NAAM, then what will GOOD be written as?
ODOG
If two days before yesterday was Sunday, what day will it be the day after tomorrow?
Wednesday
If I am standing with my right hand towards the north, then in which direction is my back?
West
What is the pattern in the series: 22, 21, 23, 22, 24, 23,...?
Alternating addition and subtraction of 1
If a boy takes 20 minutes to reach the school at an average speed of 12 km/h, what should be his average speed to reach the school in 15 minutes?
14 km/h
If the side of a square is doubled, what happens to its area?
It becomes 4 times
What is 15% of 220?
33
If 30% of 450 apples are rotten, how many apples are fine?
315
What is the value of the expression 8888 + 888 + 88 + 8?
9784
What is the value of the expression 100 × 10 – 100 + 2000 / 100?
980
A man gave 1/4th of his property to his daughter, 1/2 to his sons and 1/5th to charity. What fraction of his property did he give in total?
19/20
A sum of money doubles itself in 20 years at simple interest. In how many years will it become 4 times?
40 years
What is the value of 30 K 2 Q 3 J 6 T 5 if Q means 'to add', J means 'multiply', T means 'subtract', and K means 'divide by'?
29
If ÷ means ×, – means +, × means –, and + means ÷, what is the value of 20 + 4 × 6 - 5 ÷ 7?
34
Which of the following is a prime number?
11
If θ = 90°, what is the value of sinθ - cosθ?
-1
What type of number is 5 + 3√2?
Irrational Number
If α and β are zeroes of the quadratic polynomial x^2 + x - 2, what is the value of 1/α + 1/β?
1
If x = a, y = b are solutions of the equations x - y = 2 and x + y = 4, what are the values of a and b respectively?
3, 1
What is the next number in the series: 36, 34, 30, 28, 24,...?
20
What is the smallest unit of a substance that still has the properties of that substance?
Atom
What is the study of heredity and variation called?
Genetics
Which organ of the human body produces insulin?
Pancreas
Which gas is most abundant in the Earth's atmosphere?
Nitrogen
What is the chemical symbol for gold?
Au
What type of lens is used to correct nearsightedness?
Concave lens
Which planet is known as the 'Morning Star' or 'Evening Star'?
Venus
What is the unit of electric current?
Ampere
Which of the following is the national symbol of France?
Eiffel Tower
Who was the first person to walk on the moon?
Neil Armstrong
What is the largest desert in the world?
Sahara Desert
Who painted the famous artwork 'The Starry Night'?
Vincent van Gogh
What is the currency of China?
Chinese Yuan
Who is the author of the novel 'The Great Gatsby'?
F. Scott Fitzgerald
What is the largest continent in the world?
Asia
Who is the founder of Apple Inc.?
Steve Jobs
Study Notes
Math and Reasoning
- A boy takes 20 minutes to reach the school at an average speed of 12 km/h. If he has to reach the school in 15 minutes, then the average speed should be 16 km/h.
- If the side of a square is doubled, then the area will be 4 times.
- 15% of 220 is 33.
- 30% of 450 apples are rotten, so 315 apples are fine.
Algebra
- A man gave 1/4th of his property to his daughter, 1/2 to his sons, and 1/5th to charity. He gave a total of 9/10.
- In a school, 85 boys and 35 girls took a public examination. If the mean marks obtained for boys was 40% and that of girls was 60%, then the average marks obtained in the school in percentage is 54.16%.
Simplification and Calculation
- 8888 + 888 + 88 + 8 = 9784.
- 100 × 10 – 100 + 2000 / 100 = 980.
Logical Reasoning
- If Q means 'to add', J means 'multiply', T means 'subtract', and K means 'divide by', then 30 K 2 Q 3 J 6 T 5 = 35.
- If ÷ means ×, – means +, × means –, and + means ÷, then 20 + 4 × 6 - 5 ÷ 7 = 32.
Number System
- Which of the following is a prime number? 11.
- If θ = 90°, then sinθ - cosθ = 1.
Mensuration
- 5 + 3√2 is an irrational number.
Quadratic Equations
- If α and β are zeroes of the quadratic polynomial x^2 + x – 2, then the value of 1/α + 1/β is 1.
Coordinate Geometry
- If x = a, y = b are solutions of the equations x – y = 2 and x + y = 4, then the values of a and b are 3 and 1 respectively.
Series and Progressions
- The next number in the series 36, 34, 30, 28, 24 is 22.
- The next number in the series 22, 21, 23, 22, 24, 23 is 24.
Logical Reasoning
- Sima is Jagdish's daughter-in-law, Vishnu's sister-in-law, and Arjun's cousin.
- If KICK is coded as KCIK, MAAN is coded as NAAM, then GOOD will be written as OODOG.
General Knowledge
- The Eiffel Tower is a symbol of France.
- Neil Armstrong was the first man to walk on the moon.
- The Sahara Desert is the largest desert in the world.
- Vincent van Gogh painted the famous artwork "The Starry Night".
- The currency of China is the Chinese Yuan.
- F. Scott Fitzgerald is the author of "The Great Gatsby".
- Asia is the largest continent in the world.
- Steve Jobs is the founder of Apple Inc.
Science
- The smallest unit of life is a cell.
- The study of heredity and variation is called genetics.
- The pancreas is the organ that produces insulin.
- Nitrogen is the most abundant gas in the Earth's atmosphere.
- A sphygmomanometer is used to measure blood pressure.
- The chemical symbol for gold is Au.
- A concave lens is used to correct nearsightedness.
- Venus is known as the "Morning Star" or "Evening Star".
Solve two math problems involving speed and area of a square.
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