Aptitude and Reasoning Questions

Q:

What will be the value of xy, if x2+y2 = 45 and x-y=5 ?

A) 10 B) 15
C) 20 D) 25
 
Answer & Explanation Answer: A) 10

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Q:

A and B can complete a task in 20 days, B and C can complete it in 30 days while C and A can do the same task together in 24 days. How many days will each of and C take to complete the task individually? 

 

A) 50 and 54  B) 54 and 72 
C) 48 and 80  D) 56 and 64
 
Answer & Explanation Answer: C) 48 and 80 

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

 

A) 7 : 4 B) 8 : 5
C) 6 : 5   D) 5 : 3
 
Answer & Explanation Answer: D) 5 : 3

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 18, while the average of the largest three was 22. What is the range of the data?

A) 10 B) 12
C) 13 D) 11
 
Answer & Explanation Answer: B) 12

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Select the missing number from the given responses?

A) 24 B) 32
C) 20 D) 25
 
Answer & Explanation Answer: C) 20

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

The sum of the digits of a 2­digit number is 17. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A) 89 B) 98
C) 78 D) 87
 
Answer & Explanation Answer: A) 89

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs. 10000 for 2 years at 10% per annum. The sum placed on simple interest is

A) Rs 5000 B) Rs 1250
C) Rs 2000 D) Rs 2500
 
Answer & Explanation Answer: D) Rs 2500

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

If x = 1 + √2 + √3 , then the value of 2x4 - 8x3 - 5x2 + 26x - 28 is

A) 2√2 B) 3√3
C) 5√5 D) 6√6
 
Answer & Explanation Answer: D) 6√6

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Filed Under: Simplification
Exam Prep: Bank Exams

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