Quantitative Aptitude - Arithmetic Ability Questions

Q:

9 women can complete a work in 50 days. If more 6 women were added to them, how many days before the work can be completed?

A) 30 B) 20
C) 15 D) 25
 
Answer & Explanation Answer: B) 20

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Filed Under: Time and Work
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10 2067
Q:

What is the value of sin (90° + 2A)[4  cos2(90°  2A)]?

A) 2(cos3 A – sin3 A) B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A) D) 4(cos6 A – sin6 A)
 
Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

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Filed Under: Simplification
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Q:

A rectangular swimming pool of length 20 m and breadth 10 m has a uniformly sloping floor. It is 1 m in depth on one end of its length and 3 m at the other. How much water is needed to completely fill this pool? (Take π = 22/7)

A) 800 cubic metres B) 300 cubic metres
C) 480 cubic metres D) 400 cubic metres
 
Answer & Explanation Answer: D) 400 cubic metres

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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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Q:

What is the simplified value of [2/(cot A – tan A)]?

A) sin A cos A B) tan 2A
C) sin2 A D) cos2 A
 
Answer & Explanation Answer: B) tan 2A

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Q:

A can do a work in 20 days and B in 50 days. If they work on it together for 5 days, then what fraction of work is left?

A) 13/20 B) 1/3
C) 1/6 D) 2/9
 
Answer & Explanation Answer: A) 13/20

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Q:

If a certain amount is fully distributed among A, B & C in such a way that A receives 1/2 of the amount, B receives 1/3 of the amount and C receives ₹ 1200, then how much money would A receive

A) 4000 B) 1600
C) 3600 D) 1800
 
Answer & Explanation Answer: C) 3600

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Q:

Selling price of an article is Rs 27692 and loss percentage is 14%. If the selling price is Rs 37352, then what will be the profit percentage?

A) 13.8 B) 18.6
C) 14 D) 16
 
Answer & Explanation Answer: D) 16

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Filed Under: Profit and Loss
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