6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Which is a better offer out of (i) a cash payment now of Rs.8100 or (ii) a credit of Rs.8250 after 6 months(6.5% S.I)

A) (i)	B) (ii)
C) both (i) and (ii)	D) none

Answer & Explanation Answer: A) (i)

Explanation:

PW = $\frac{100 \times A m o u n t}{100 + (R \times T)}$

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Filed Under: True Discount
Exam Prep: Bank Exams
Job Role: Bank PO

8 4260

Q:

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:

A) 21/46	B) 1/5
C) 3/25	D) 1/50

Answer & Explanation Answer: A) 21/46

Explanation:

Let S be the sample space and E be the event of selecting 1 girl and 2 boys.

Then, n(S) = Number ways of selecting 3 students out of 25

= $25 C_{3}$ = 2300.

n(E)= $10 C_{1} * 15 C_{2}$ = 1050.

P(E) = n(E)/n(s) = 1050/2300 = 21/46

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Filed Under: Probability

1 4256

Q:

4 years ago, the ratio of 1/2 of Anita's age at that time and four times of Bablu's age at that time was 5 : 12. Eight years hence,1/2 of Anita's age at that time will be less than Bablu's age at that time by 2 years. What is Bablu's present age?

A) 10 years	B) 24 years
C) 9 years	D) 15 years

Answer & Explanation Answer: A) 10 years

Explanation:

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Filed Under: Problems on Ages

14 4255

Q:

Sanjay's test marks in two subjects, English and Hindi are in the ratio 7 : 11. If he got 20 marks more in Hindi than in English, what are his marks in English?

A) 35	B) 55
C) 45	D) 65

Answer & Explanation Answer: A) 35

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

5 4252

Q:

1 bottle of honey costs Rs 240 but a pack of 4 of the same bottles costs Rs 768. What is the effective discount (in %) on the pack?

A) 16	B) 25
C) 10	D) 20

Answer & Explanation Answer: D) 20

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

0 4252

Q:

Find the next number in the series 2, 3, 4, 8, 9, 10, 11, 16, 17, 18, 19, 20,...

A) 27	B) 26
C) 24	D) 25

Answer & Explanation Answer: B) 26

Explanation:

The pattern is three consecutive numbers and then three consecutive numbers missing.Then four consecutive numbers and then four consecutive numbers missing.Then five consecutive numbers and then five consecutive numbers missing.

The next number=20+6=26

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

8 4251

Q:

loan of $15 000 is taken out. If the interest rate on the loan is 7%, how much interest is due and what is the amount repaid if the loan was taken out on April 7 and is due in seven months

A) 13615.52	B) 14615.52
C) 15615.52	D) 16615.52

Answer & Explanation Answer: C) 15615.52

Explanation:

I = prt = [15000 × 0.07 × (214/365) ]=615.52

Future value, S = P + I = $15 000 + $615.52 = $15 615.52

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

1 4245

Q:

In an election between two candidates, the winning candidate got 70% of the valid votes and won by a majority of 9000 votes. If out of total votes polled 90% votes are valid, then what is the total number of votes polled?

A) 30000	B) 25000
C) 22500	D) 27000

Quantitative Aptitude - Arithmetic Ability Questions

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