6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In $∆ PQR$ , straight line parallel to the base QR cuts PQ at X and PR at Y. If PX:XQ = 5:6, then the XY:QR will be

A) 5:11	B) 6:5
C) 11:6	D) 11:5

Answer & Explanation Answer: A) 5:11

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams
Job Role: Bank Clerk

1 3545

Q:

36 is what percent of 80?

A) 54	B) 45
C) 60	D) 64

Answer & Explanation Answer: B) 45

Explanation:

Let 36 is p% of 80

=> p x 80/100 = 36

=> p = 36 x 10/8 = 45.

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT
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7 3542

Q:

Two partners M and N buy a car. M pays his share of 3/7th of the total cost of the car. M pays Rs. 31,540 less than N. What is the cost of the car?

A) Rs. 2,32,680	B) Rs. 2,03,175
C) Rs. 2,20,780	D) Rs. 1,85,780

Answer & Explanation Answer: C) Rs. 2,20,780

Explanation:

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Filed Under: Partnership
Exam Prep: Bank Exams

11 3541

Q:

G is twice as fast as S in doing work. If G can do a work in 30 days less than S, how many days will they take to complete the work together?

A) 25	B) 20
C) 22	D) 15

Answer & Explanation Answer: B) 20

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

28 3540

Q:

What will be the ratio of simple interest earned by certain amount at the same rate of interestfor 4 years and 6 years ?

A) 1:2	B) 2:1
C) 2:3	D) 3:2

Answer & Explanation Answer: C) 2:3

Explanation:

Let p be the principle amount

And R% be the rate of interest

Then, required ratio = $(\frac{\frac{P \times 4 \times R}{100}}{\frac{P \times 6 \times R}{100}})$

$\Rightarrow \frac{4 P R}{6 P R}$ = 2:3

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Filed Under: Simple Interest
Exam Prep: GRE , GATE , CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

2 3531

Q:

While selling a router, a shopkeeper gives a discount of 15%. If he gives a discount of 20%, he earns Rs. 51 less as profit. What is the original marked price of the router?

A) Rs. 1000	B) Rs. 1020
C) Rs. 1040	D) Rs. 980

Answer & Explanation Answer: B) Rs. 1020

Explanation:

Let the marked price of the router be Rs. P

From the given data,

$P x \frac{85}{100} - P x \frac{80}{100} = 51 P x \frac{5}{100} = 51 \Rightarrow P = \frac{5100}{5} = 1020$

Hence, the original marked price of the router is Rs. 1020.

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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7 3530

Q:

Karan purchased one dozen pens for Rs. 120 and sold a pack of 3 pens for Rs.35 each. What is his gain?

A) 16.67%	B) 20%
C) 15%	D) 33.33%

Answer & Explanation Answer: A) 16.67%

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

20 3528

Q:

A, B and C invested amounts in the ratio 3 : 4 : 5 respectively. If the schemes offered compound interest at the rate of 20% per annum, 15% per annum and 10% per annum respectively, then what will be the ratio of their amounts after 1 year?

A) 3 : 15 : 25	B) 6 : 6 : 5
C) 36 : 46 : 55	D) 12 : 23 : 11

Quantitative Aptitude - Arithmetic Ability Questions

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