6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Three circle C1, C2 and C3 with radii r1, r2 and r3 (where r1<r2<r3) are placed as shown in the given figure. What is the value of r2?

A) √( r1r3)	B) ( r1 + r3)/2
C) (2 r1r2)/( r1 + r2)	D) √( r1 + r3)

Answer & Explanation Answer: A) √( r1r3)

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 2373

Q:

In a container, there is 960 ltr of pure milk from which 48 ltr of milk is replaced with 48 ltr of water, again 48 ltr milk is replaced by same amount of water, as this process is done once more. Now, what is the amount of pure milk?

A) 901.54 ltr	B) 821.54 ltr
C) 719.64 ltr	D) 823.08 ltr

Answer & Explanation Answer: D) 823.08 ltr

Explanation:

Amount of pure milk= a(1 –b/a)n(n = 3, a = pure milk and b = amount replaced)= 960 (1 –48/960)^3= 960(1-1/20)^3= 960 * 19/20 * 19/20*19/20= 823.08 lt.

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

1 2373

Q:

The cost price of 60 articles is same as the selling price of x articles. If there is a profit of 20%, then what is the value of x?

A) 15	B) 30
C) 50	D) 80

Answer & Explanation Answer: C) 50

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

10 2372

Q:

A merchant buys 25 litres of milk daily at the rate of Rs.12 per litre. He mixes 5 litres of water in it and sells at the rate Rs.10.40 per litre. His gain/loss is:

A) 8% profit	B) 2% profit
C) 4% profit	D) 6% profit

Answer & Explanation Answer: C) 4% profit

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 2372

Q:

Rohit walks at 17 km/hr and Ruchira cycles at 22 km/hr towards each other. What was the distance between them when they started if they meet after 44 minutes?

A) 42.9 km	B) 35.8 km
C) 21.5 km	D) 28.6 km

Answer & Explanation Answer: D) 28.6 km

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

2 2372

Q:

What is the average of first 93 natural numbers?

A) 45	B) 46
C) 47	D) 49

Answer & Explanation Answer: C) 47

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

1 2371

Q:

$4 \frac{4}{5} of 229.79 = ? of 2398.51$

A) 23/50	B) 36/49
C) 33/41	D) 29/47

Answer & Explanation Answer: A) 23/50

Explanation:

Given

$4 \frac{4}{5} of 229.79 = ? of 2398.51$

$\frac{24}{5} x 230 = ? x 2400 24 x 46 = ? x 2400 ? = 46 / 100 ? = \frac{23}{50}$

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 2370

Q:

To travel 732 km, an Express train takes 6 hours more than Rajdhani. If the speed of the Express train is doubled, it takes 3 hours less than Rajdhani. The speed of Rajdhani is

A) 81.3 km/hr	B) 61 km/hr
C) 40.7 km/hr	D) 101.7 km/hr

Quantitative Aptitude - Arithmetic Ability Questions

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