Aptitude and Reasoning Questions

Q:

The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is

A) 10 B) 23
C) 13 D) 15
 
Answer & Explanation Answer: D) 15

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Ticket for an adult is Rs 2200 and a child is Rs 990. One child goes free with two adults. If a group has 23 adults and 11 children, what is the discount the group gets?

A) 17.71 percent B) 32.30 percent
C) 26.47 percent D) 25.77 percent
 
Answer & Explanation Answer: A) 17.71 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Which of the following statements is not true?

A) The difference of two prime numbers, both greater than 2, is divisible by 2 B) For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
C)  If a number is of the form 6n –1 (n being a natural number), then its is a prime number. D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.
 
Answer & Explanation Answer: D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

If x – 3 + [1/(x – 3)] = 4, what is the value of [(x  3)3+ [1/(x  3)3]?

A) 14 B) 18
C) 52 D) 76
 
Answer & Explanation Answer: C) 52

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the next number in the given series. 9, 11, 15, 17, 21, 23, ?

A) 29 B) 28
C) 30 D) 27
 
Answer & Explanation Answer: D) 27

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.


Statement:
(I) If we are lucky then things automatically fall in place.
(II) Luck follows only when we work hard.


Conclusions:
(I) Hard work is the key to success.
(II) If you don’t work hard, luck will not follow you.

A) Only conclusion II follows B) Conclusion I and II both follow
C) Neither I nor II follow D) Only conclusion I follows
 
Answer & Explanation Answer: B) Conclusion I and II both follow

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Q:

Compound interest on a certain sum for 2 years at the rate of 11% per annum is Rs 1160.5. What will be the simple interest (in Rs) for the same
amount at the same rate of interest for 2 years?

 

A) 9000 B) 1000
C) 1100 D) 1050
 
Answer & Explanation Answer: C) 1100

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

sec2Acosec2A is equal to

A) sec2A -­ cosec2A B) √[sec2A + cosec2A]
C) sec2A + cosec2A D) √[sec2A -­ cosec2A]
 
Answer & Explanation Answer: C) sec2A + cosec2A

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Filed Under: Simplification
Exam Prep: Bank Exams

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