Quantitative Aptitude - Arithmetic Ability Questions

Q:

Marked price of an item is Rs 400. On purchase of 1 item discount is 6% and on purchase of 4 items discount is 24%. Rachita buys 5 items, what is the effective discount?

A) 34 percent B) 20.4 percent
C) 12.8 percent D) 23.25 percent
 
Answer & Explanation Answer: B) 20.4 percent

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Filed Under: Percentage
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Q:

25% discount is offered on an item. By applying a promo code the customer wins 4% cash back. What is the effective discount?

A) 28 percent B) 29.12 percent
C) 29 percent D) 5 percent
 
Answer & Explanation Answer: A) 28 percent

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Q:

A can do a piece of work in 10 days and B in 12 days. With help of C, they finish the work in 4 days. In how many days C alone can do the same work?

A) 12 B) 15
C) 18 D) 24
 
Answer & Explanation Answer: B) 15

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Filed Under: Time and Work
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Q:

Find the LCM of 3.2, 2.72, 1.28 and 1.44

A) 24.48 B) 2448
C) 2.448 D) 244.8
 
Answer & Explanation Answer: A) 24.48

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Filed Under: HCF and LCM
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Q:

If (x + y + z) = 12, xy + yz + zx = 44 and xyz = 48, then what is the value of x3 + y3+ z3?

A) 104 B) 144
C) 196 D) 288
 
Answer & Explanation Answer: D) 288

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Filed Under: Simplification
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Q:

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

A) 972Π B) 11664Π
C) 36Π D) 288Π
 
Answer & Explanation Answer: A) 972Π

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Filed Under: Area
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Q:

A Bus travels at the speed of 36 km/hr, then the distance covered by it in one second is

A) 10 m B) 15 m
C) 12.5 m D) 13.5 m
 
Answer & Explanation Answer: A) 10 m

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Filed Under: Time and Distance
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Q:

Two trains are moving in the opposite direction at speed of 30 km/hr and 45 km/hr respectively, whose lengths are 450 m and 550 m respectively. What is the time taken (in seconds) by slower train to cross the faster train?

A) 48 B) 54
C) 62 D) 72
 
Answer & Explanation Answer: A) 48

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Filed Under: Problems on Trains
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