6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the present worth of a bill of Rs.1764 due 2 years hence at 5% compound interest is

A) Rs. 1600	B) Rs. 1200
C) Rs. 1800	D) Rs. 1400

Answer & Explanation Answer: A) Rs. 1600

Explanation:

Since the compound interest is taken here,

$P W {(1 + \frac{5}{100})}^{2} = 1764$

=> PW = 1600

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Filed Under: Banker's Discount

1 5489

Q:

$28 \sqrt{?} + 1426 = \frac{3}{4} o f 2872$

A) 576	B) 676
C) 1296	D) 1444

Answer & Explanation Answer: B) 676

Explanation:

$L e t 28 \sqrt{x} + 1426 = 3 \times 718$

Then $28 \sqrt{x} = 2154 - 1426$

$\Rightarrow 28 \sqrt{x} = 728 \Rightarrow \sqrt{x} = 26$

$∴ x = 676$

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Filed Under: Square Roots and Cube Roots

9 5484

Q:

Two persons K and L enter into a business by investing their sum in the ratio of 7 : 9. After 7 months, L leaves the business. After eleven month, if total profit is Rs. 2460, what is the profit share of L (in Rs)?

A) Rs, 1109	B) Rs. 1107
C) Rs. 1111	D) Rs. 1113

Answer & Explanation Answer: B) Rs. 1107

Explanation:

From the given data,

K's profit : L's profit = 7x x 11 : 9x x 7

= 11:9

Therefore, L's profit = 9 x 2460/20 = Rs. 1107

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

8 5477

Q:

In a bag which contains 40 balls, there are 18 red balls and some green and blue balls. If two balls are picked up from the bag without replacement, then the probability of the first ball being red and second being green is 3/26. Find the number of blue balls in the bag.

A) 16	B) 12
C) 10	D) 14

Answer & Explanation Answer: B) 12

Explanation:

Total balls = 40

Red balls = 18

Let green balls are x

Then, (18/40) × (

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT

50 5475

Q:

The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ?

A) 16%	B) 20%
C) 84%	D) 72%

Answer & Explanation Answer: B) 20%

Explanation:

Reduction in consumption
= $\frac{P}{100 + P}$ X 100%
= $\frac{25}{100 + 25}$ X 100%
= 20%

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

4 5470

Q:

Kavya's birthday is on Tuesday 4th July. On what day of the week will be Anika's Birthday in the same year, if Anika was born on 15th August?

A) Wednesday	B) Friday
C) Saturday	D) Tuesday

Answer & Explanation Answer: D) Tuesday

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

23 5468

Q:

A and B together have Rs. 6300. If 5/19 of A's amount is equal to 2/5 of B's amount. The amount of 'B' is

A) Rs. 2500	B) Rs. 3800
C) Rs.2300	D) Rs. 4000

Answer & Explanation Answer: A) Rs. 2500

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 5467

Q:

Simon deposits $400 in an account that pays 3% interest compounded annually. What is the balance of Simon’s account at the end of 2 years?

A) 424.36	B) 524.56
C) 545.36	D) 456.36

Answer & Explanation Answer: A) 424.36

Explanation:

I=Prt

I=12

Balance = P +Prt

412

Find the balance at the end of the second year.

I = Prt=12.36

Balance =P + Prt

424.36

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

0 5465

Quantitative Aptitude - Arithmetic Ability Questions

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