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Q:

28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days?

A) 16	B) 18
C) 19	D) 21

Answer & Explanation Answer: B) 18

Explanation:

Clearly total persons are increased in 28/35 :: 52/65 = 4:5.

As time is inversely proportional to men, so total time will decrease in the ratio 5:4.

Hence, 22.5 x 4/5 = 18 days.

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Filed Under: Time and Work
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Q:

A man can row upstream at 16 km/hr and downstream at 24 km/hr. Find the speed of the current.

A) 4 kmph	B) 6 kmph
C) 5 kmph	D) 3 kmph

Answer & Explanation Answer: A) 4 kmph

Explanation:

Speed of the current = 24-16/2

= 8/2

= 4 km/hr.

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Filed Under: Boats and Streams
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Q:

Which Bank has launched a Unified Integrated Application "YONO" (You Need Only One) that would offer all kinds of financial and lifestyle products?

A) SBI Bank	B) ICICI Bank
C) IDBI Bank	D) HDFC Bank

Answer & Explanation Answer: A) SBI Bank

Explanation:

State Bank of India, the country’s largest public sector bank, has launched a unified integrated app called YONO (You Need Only One) that would offer all kinds of financial and lifestyle products.

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
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Q:

Showing a man a woman said, "His brother's father is the only son of my grandfather". How is the woman related to the man?

A) Sister	B) Aunt
C) Sister-in-law	D) Daughter-in-law

Answer & Explanation Answer: A) Sister

Explanation:

The man's brother's father means his father is the only son of woman's grandfather

=> grandfather to the man also

=> Woman and the man are brother and sisters.

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Filed Under: Blood Relations
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Who is the author of the Book 'Social Exclusion and Justice in India'?

A) Rakesh Kumar	B) Arun Singh
C) M. Venkaiah Naidu	D) P.S. Krishnan

Answer & Explanation Answer: D) P.S. Krishnan

Explanation:

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Filed Under: Books and Authors
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Q:

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

A) 27 7/9 mts	B) 25 8/7 mts
C) 21 1/4 mts	D) 22 mts

Answer & Explanation Answer: A) 27 7/9 mts

Explanation:

Relative speed = (40 - 20) km/hr =		20 x	5		m/sec =		50		m/sec.
			18				9

Length of faster train =		50	x 5		m =	250	m = 27	7	m.
		9				9		9

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Filed Under: Problems on Trains
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Q:

Given that 10^0.48 = x, 10^0.70 = y and x^z = y², then the value of z is close to ___ ?

A) 3.7	B) 2.7
C) 3.6	D) 2.9

Answer & Explanation Answer: D) 2.9

Explanation:

x^z = y² 10^(0.48z) = 10^{(2 x 0.70)} = 10^1.40

0.48z = 1.40

z = 140/18 = 35/12 = 2.9 (approx.)

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Filed Under: Simplification
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Q:

In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%?

A) 60 lit	B) 55 lit
C) 45 lit	D) 50 lit

Answer & Explanation Answer: A) 60 lit

Explanation:

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Filed Under: Alligation or Mixture
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