Exams Questions and Answers

Q:

Manish can complete a work in 21 days and Karan can complete the same work in 28 days. If both together work for 7 days, then what fraction of total work is left?

A) 3/5	B) 2/3
C) 7/12	D) 5/12

Answer & Explanation Answer: D) 5/12

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

3 2013

Q:

If $\frac{a}{b + c} = \frac{b}{c + a} = \frac{C}{b + a}$ then which one of the following statements is correct?

A) Each fraction is equal to 1 or -1	B) Each fraction is equal to 1/2 or 1
C) Each fraction is equal to 1/2 or -1	D) Each fraction is equal to 1.2 only

Answer & Explanation Answer: C) Each fraction is equal to 1/2 or -1

Explanation:

a/(b+c) = b/(c+a) = c/(a+b)

Taking reciprocal and adding 1 to each ratio we get;

(b+c)/a + 1 = b/(c+a) + 1 = c/(a+b) + 1

Or (a+b+c)/a = (a+b+c)/b = (a+b+c)/c

So this can only be equal when a=b=c or a+b+c = 0

When a=b=c we get

a/(b+c)= ½When a+b+c = 0 we get

b+c = -a

So a/(b+c) = -1

So the ratios are ½ or -1

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2013

Q:

In a certain code language, "TIRED" is written as "56" and "BRAIN" is written as "44". How is "LAZY" written in that code language?

A) 64	B) 61
C) 54	D) 51

Answer & Explanation Answer: A) 64

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 2013

Q:

A shopkeeper buys a product of Rs 150 per Kg. 15% of product was damaged. At what price (per Kg) should he sell the remaining so as to earn a profit of 20%?

A) Rs. 207	B) Rs. 207 11/180
C) Rs. 211 13/17	D) Rs. 204 7/13

Answer & Explanation Answer: C) Rs. 211 13/17

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 2013

Q:

Which receptors adapt most slowly?

A) touch receptors	B) smell receptor
C) pressure receptors	D) nociceptors

Answer & Explanation Answer: D) nociceptors

Explanation:

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

0 2012

Q:

To keep warm, polar bears have a layer of ________ under their skin.

A) muscle	B) fat
C) cartilage	D) hair

Answer & Explanation Answer: B) fat

Explanation:

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Filed Under: General Awareness
Exam Prep: Bank Exams

0 2012

Q:

Improve the bracketed part of the sentence.

Taj Mahal is (a worth seeing monument) in Agra.

A) a monument to see its worth	B) a monument worth seeing
C) one of worth seeing monuments	D) No improvement

Answer & Explanation Answer: B) a monument worth seeing

Explanation:

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Filed Under: English
Exam Prep: TOEFL , GRE , CAT

0 2012

Q:

In a row of 15 children, when Raju was shifted three places towards right, he became 8th from the right end. What was his earlier position from the left end of the row?

A) 14	B) 12
C) 6	D) 5

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