6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Calculate the periodic interest rate corresponding to 9.5% compounded monthly

A) 0.7916	B) 0.8916
C) 0.9916	D) 0.6916

Answer & Explanation Answer: A) 0.7916

Explanation:

i=j/m

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

0 3423

Q:

In a bag, there are 8 red, 7 blue and 6 green flowers. One of the flower is picked up randomly. What is the probability that it is neither red nor green ?

$A) \frac{1}{3}$

$B) \frac{8}{21}$

$C) \frac{6}{21}$

$D) \frac{20}{21}$

A) Option A	B) Option B
C) Option C	D) Option D

Answer & Explanation Answer: A) Option A

Explanation:

Total number of flowers = (8+7+6) = 21.

Let E = event that the flower drawn is neither red nor green.

= event taht the flower drawn is blue.

--> n(E)= 7

--> P(E)= $\frac{7}{21}$ = $\frac{1}{3}$

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Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

8 3422

Q:

Solve the triangle b=36 a=38 c=18 for perimeter of the triangle?

A) 74 units	B) 92 units
C) 56 units	D) 54 units

Answer & Explanation Answer: B) 92 units

Explanation:

We know, the perimeter of a triangle = sum of all the sides of a triangle = a + b + c

Here given that sides a = 38, b= 36 and c = 18

solve_the_triangle_b36_a38_c181537423406.jpg image

Now, perimeter of the triangle = a + b + c = 38 + 36 + 18 = 92 units.

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Filed Under: Volume and Surface Area
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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5 3422

Q:

Advik's birthday is on Monday 19th June. On what day of the week will be Nishith's Birthday in the same year if Nishith was born on 17th November?

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

Answer & Explanation Answer: C) Friday

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

8 3420

Q:

A man's annual income has increased by Rs 1.2 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays the same amount of tax as before. What is his increased income (in Rs lakhs)?

A) 8.4	B) 7.2
C) 9.6	D) 6

Answer & Explanation Answer: B) 7.2

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

9 3414

Q:

If 60% discount is offered on the marked price and selling price becomes equal to cost price then what was the % mark up?

A) 100	B) 250
C) 150	D) 40

Answer & Explanation Answer: C) 150

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

12 3413

Q:

After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. The difference between the ages of the replaced and the new members?

A) 16 years	B) 15 years
C) 14 years	D) 13 years

Answer & Explanation Answer: B) 15 years

Explanation:

Let avg ages of 5 members at present is G

And age of new member is m and an older is n

Required = (5G + m - n)/5 = G - 3

m - n = 15 years

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Filed Under: Average
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16 3412

Q:

In how many ways the letters of the word 'CIRCUMSTANCES' can be arranged such that all vowels came at odd places and N always comes at end?

A) 1,51,200 ways.	B) 5,04,020 ways
C) 72,000 ways	D) None of the above

Answer & Explanation Answer: A) 1,51,200 ways.

Explanation:

In circumcstances word there are 3C's, 2S's, I, U,R, T, A, N, E

Total = 13 letters

But last letter must be N

Hence, available places = 12

In that odd places = 1, 3, 5, 7, 9, 11

Owvels = 4

This can be done in 6P4 ways

Remaining 7 letters can be arranged in 7!/3! x 2! ways

Hence, total number of ways = 6P4 x 7!/3! x 2! = 360 x 5040/12 = 1,51,200 ways.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Quantitative Aptitude - Arithmetic Ability Questions

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