Aptitude and Reasoning Questions

Q:

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

A) 3/4(√7 – √3) B) √5 – √3
C) √7 + √5 D) 1/2(√7 + √3)
 
Answer & Explanation Answer: A) 3/4(√7 – √3)

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Q:

If the code for MOTHER is JRQKBU then what is the code for PRINCIPAL?

A) MRFKZLMXI B) SULQFLSDO
C) MUFQZLMDI D) MRFKZFMXI
 
Answer & Explanation Answer: C) MUFQZLMDI

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

4 1818
Q:

If 80&10 = -8, 50&2 = -25 and 80&16 = -5, then find the value of 20&5 = ?

A) 50 B) -40
C) -4 D) 4
 
Answer & Explanation Answer: C) -4

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

The alcohol and water in a mixture are in the ratio of 7 : 8 respectively. If 11 litre water is added to it, then the ratio of alcohol and water in the new mixture becomes 3 : 5. What is the total quantity (in litres) of the alcohol in the new mixture?

A) 21 B) 24
C) 35 D) 32
 
Answer & Explanation Answer: A) 21

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Introducing a woman, a boy says, "She is the wife of my grandfather's son". How is the woman related to the boy?

A) Aunt B) Wife
C) Mother D) Cannot be determined
 
Answer & Explanation Answer: D) Cannot be determined

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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

What is the equation of a line which has 3 as x-intercept and -5 as y-intercept?

A) 3x - 5y = 15 B) 5x - 3y = 15
C) 5x + 3y = 15 D) 3x + 5y = 15
 
Answer & Explanation Answer: B) 5x - 3y = 15

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
49, 64, ?, 100, 121

A) 74 B) 80
C) 75 D) 81
 
Answer & Explanation Answer: D) 81

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Filed Under: Number Series
Exam Prep: Bank Exams

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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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