6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Nasir's birthday is on Thursday 18th May. On what day of the week will be Rehan's Birthday in the same year if Rehan was born on 19th August?

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

Answer & Explanation Answer: B) Saturday

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

6 2861

Q:

(3x + 2) (2x - 5) = ax² + kx + n. What is the value of a - n + k ?

A) 4	B) 1
C) 5	D) 3

Answer & Explanation Answer: C) 5

Explanation:

(3x + 2) (2x - 5) = $a x^{2} + k x + n$ ...............(1)

But (3x + 2)(2x - 5) = $6 x^{2} - 11 x - 10$ ........(2)

so by comparing (1) & (2),

we get a= 6, k= -11 , n= -10

(a - n + k) = 6 + 10 - 11 = 5.

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

4 2854

Q:

Find the compound amount if $1200 is deposited at 8% interest for 11 years if interest is compounded continuously

A) 1456	B) 1456
C) 1693.08	D) 1890

Answer & Explanation Answer: C) 1693.08

Explanation:

M=Pe^yr

2893.08

I=M-P

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

0 2853

Q:

A and B started a partnership business investing in the ratio of 3 : 8. C joined them after 4 months with an amount equal to 3/4th of B. What was their profit (in Rs) at the end of the year if C got Rs 24,000 as his share?

A) 120000	B) 150000
C) 90000	D) 180000

Answer & Explanation Answer: C) 90000

Explanation:

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Filed Under: Partnership
Exam Prep: Bank Exams

3 2851

Q:

5% of a = b, then b% of 20 is the same as __________.

A) 20% of a/2	B) 50% of a/20
C) 50% of a/2	D) 20% of a/20

Answer & Explanation Answer: D) 20% of a/20

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

4 2850

Q:

A man buys a watch for Rs1950 in cash and sells it for Rs 2200 at a credit of 1 yr. The rate of interest is 10% per annum. Then he gains or loose how much amount?

A) 50	B) 55
C) 15	D) 45

Answer & Explanation Answer: A) 50

Explanation:

S.P = P.W of Rs. 2200 due 1yr hence = Rs. [(2200 x 100)/100+(10 x 1)] = Rs.2000

Gain = Rs.(2000-1950) = Rs. 50

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Filed Under: True Discount

0 2846

Q:

How many digits will be there to the right of the decimal point in the product of 85.44 and .08455 ?

A) 7	B) 5
C) 4	D) 6

Answer & Explanation Answer: D) 6

Explanation:

Sum of decimal places = 7.

Since the last digit to the extreme right will be zero (since 4 x 5 = 20), so there will be 6 significant digits to the right of the decimal point.

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams
Job Role: Bank Clerk

6 2846

Q:

If a+b+c = 6 and ab+bc+ca = 1, then the value of bc(b+c) + ca(c+a) +ab(a+b) +3abc is

A) 33	B) 66
C) 55	D) 23

Quantitative Aptitude - Arithmetic Ability Questions

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