Quantitative Aptitude - Arithmetic Ability Questions

Q:

If α and β are the roots of equation x2 – 2x + 4 = 0, then what is the equation whose roots are α3/β2 and β3/α2?

A) x2 – 4 x + 8 = 0 B) x2 – 32 x + 4 = 0
C) x2 – 2 x + 4 = 0 D) x2 – 16 x + 4 = 0
 
Answer & Explanation Answer: C) x2 – 2 x + 4 = 0

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Q:

An article was sold at Rs. 950 allowing 5% discount on the marked price. The marked price of the article is

A) Rs. 960 B) Rs. 1000
C) Rs. 955 D) Rs. 945
 
Answer & Explanation Answer: B) Rs. 1000

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Q:

In how many months will Rs 8,000 yield Rs 2,648 as compound interest at 20% per annum compounded semi-annually?

A) 18 B) 24
C) 12 D) 30
 
Answer & Explanation Answer: A) 18

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Filed Under: Compound Interest
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Q:

In the following question, select the odd letters from the given alternatives.

A) JGD B) NLI
C) XUR D) QNK
 
Answer & Explanation Answer: B) NLI

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Q:

A bus travels 720 km in 20 hours. Calculate its average speed in meters/second.

A) 12 B) 15
C) 18 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Time and Distance
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Q:

Two cars travel from city A to city B at a speed of 42 and 60 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B is:

A) 336 km B) 280 km
C) 420 km D) 224 km
 
Answer & Explanation Answer: B) 280 km

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Filed Under: Time and Distance
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Q:

Select the odd word from the given alternatives.

A) Trousers B) Shirt
C) Pants D) Shorts
 
Answer & Explanation Answer: B) Shirt

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Q:

What is the value of sin6θ + cos6θ + 3 sin2θ cos2θ 1?

A) 0 B) 1
C) 2 D) 4
 
Answer & Explanation Answer: A) 0

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