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Questions and Answers
What is the next number in the series: 22, 21, 23, 22, 24, 23,...?
What is the next number in the series: 22, 21, 23, 22, 24, 23,...?
If KICK is coded as KCIK and MAAN is coded as NAAM, then what will GOOD be written as?
If KICK is coded as KCIK and MAAN is coded as NAAM, then what will GOOD be written as?
If two days before yesterday was Sunday, what day will it be the day after tomorrow?
If two days before yesterday was Sunday, what day will it be the day after tomorrow?
If I am standing with my right hand towards the north, then in which direction is my back?
If I am standing with my right hand towards the north, then in which direction is my back?
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What is the pattern in the series: 22, 21, 23, 22, 24, 23,...?
What is the pattern in the series: 22, 21, 23, 22, 24, 23,...?
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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?
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?
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If the side of a square is doubled, what happens to its area?
If the side of a square is doubled, what happens to its area?
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What is 15% of 220?
What is 15% of 220?
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If 30% of 450 apples are rotten, how many apples are fine?
If 30% of 450 apples are rotten, how many apples are fine?
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What is the value of the expression 8888 + 888 + 88 + 8?
What is the value of the expression 8888 + 888 + 88 + 8?
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What is the value of the expression 100 × 10 – 100 + 2000 / 100?
What is the value of the expression 100 × 10 – 100 + 2000 / 100?
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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?
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?
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A sum of money doubles itself in 20 years at simple interest. In how many years will it become 4 times?
A sum of money doubles itself in 20 years at simple interest. In how many years will it become 4 times?
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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'?
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'?
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If ÷ means ×, – means +, × means –, and + means ÷, what is the value of 20 + 4 × 6 - 5 ÷ 7?
If ÷ means ×, – means +, × means –, and + means ÷, what is the value of 20 + 4 × 6 - 5 ÷ 7?
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Which of the following is a prime number?
Which of the following is a prime number?
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If θ = 90°, what is the value of sinθ - cosθ?
If θ = 90°, what is the value of sinθ - cosθ?
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What type of number is 5 + 3√2?
What type of number is 5 + 3√2?
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If α and β are zeroes of the quadratic polynomial x^2 + x - 2, what is the value of 1/α + 1/β?
If α and β are zeroes of the quadratic polynomial x^2 + x - 2, what is the value of 1/α + 1/β?
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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?
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?
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What is the next number in the series: 36, 34, 30, 28, 24,...?
What is the next number in the series: 36, 34, 30, 28, 24,...?
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What is the smallest unit of a substance that still has the properties of that substance?
What is the smallest unit of a substance that still has the properties of that substance?
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What is the study of heredity and variation called?
What is the study of heredity and variation called?
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Which organ of the human body produces insulin?
Which organ of the human body produces insulin?
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Which gas is most abundant in the Earth's atmosphere?
Which gas is most abundant in the Earth's atmosphere?
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What is the chemical symbol for gold?
What is the chemical symbol for gold?
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What type of lens is used to correct nearsightedness?
What type of lens is used to correct nearsightedness?
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Which planet is known as the 'Morning Star' or 'Evening Star'?
Which planet is known as the 'Morning Star' or 'Evening Star'?
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What is the unit of electric current?
What is the unit of electric current?
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Which of the following is the national symbol of France?
Which of the following is the national symbol of France?
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Who was the first person to walk on the moon?
Who was the first person to walk on the moon?
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What is the largest desert in the world?
What is the largest desert in the world?
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Who painted the famous artwork 'The Starry Night'?
Who painted the famous artwork 'The Starry Night'?
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What is the currency of China?
What is the currency of China?
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Who is the author of the novel 'The Great Gatsby'?
Who is the author of the novel 'The Great Gatsby'?
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What is the largest continent in the world?
What is the largest continent in the world?
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Who is the founder of Apple Inc.?
Who is the founder of Apple Inc.?
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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".
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Description
Solve two math problems involving speed and area of a square.
