6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the difference between the place value and face value of 3 in 273965

A) 2997	B) 2035
C) 0	D) 3962

Answer & Explanation Answer: A) 2997

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

2 48208

Q:

In the following question, select the odd word pair from the given alternatives.

A) Oxygen – Gas	B) Metal – Platinum
C) Liquid – Water	D) Solid – Iron

Answer & Explanation Answer: A) Oxygen – Gas

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 47960

Q:

The number of diagonals in a decagon is:

A) 20	B) 10
C) 25	D) 35

Answer & Explanation Answer: D) 35

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Filed Under: Area
Exam Prep: Bank Exams

0 47853

Q:

Read the data given and answer the following questions

In a class of 60 students:

42 like Maths,

32 like English,

12 like neither Maths nor English

How many students like exactly one subject?

A) 16	B) 12
C) 6	D) 22

Answer & Explanation Answer: D) 22

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Filed Under: Percentage
Exam Prep: Bank Exams

2 47717

Q:

If X : Y : Z = 3 : 4 : 5, then what will be the ratio of (X/Y) : (Y/Z) : (Z/X)?

A) 5 : 4 : 3	B) 30 : 40 : 27
C) 45 : 48 : 100	D) 20 : 15 : 12

Answer & Explanation Answer: C) 45 : 48 : 100

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

4 47551

Q:

What will be the average of the first 7 positive odd numbers divisible by 5?

A) 45	B) 35
C) 40	D) 32

Answer & Explanation Answer: B) 35

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Filed Under: Average
Exam Prep: Bank Exams

0 47522

Q:

A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?

A) 10	B) 20
C) 21	D) 25

Answer & Explanation Answer: C) 21

Explanation:

Suppose the can initially contains 7x and 5x litres of mixtures A and B respectively

Quantity of A in mixture left = $(7 x - \frac{7}{12} \times 9) = (7 x - \frac{21}{4})$ litres.

Quantity of B in mixture left = $(5 x - \frac{5}{12} \times 9) = (5 x - \frac{15}{4})$ litres.

$\frac{(7 x - \frac{21}{4})}{(5 x - \frac{15}{4}) + 9} = \frac{7}{9}$

$\Rightarrow \frac{28 x - 21}{20 x + 21} = \frac{7}{9}$

$\Rightarrow x = 3$

So, the can contained 21 litres of A.

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Filed Under: Alligation or Mixture

272 47439

Q:

A parallelogram has sides 30m and 14m and one of its diagonals is 40m long. Then its area is

A) 136	B) 236
C) 336	D) 436

Answer & Explanation Answer: C) 336

Explanation:

let ABCD be the given parallelogram

area of parallelogram ABCD = 2 x (area of triangle ABC)

now a = 30m, b = 14m and c = 40m

s=1/2 x (30+14+40) = 42

Area of triangle ABC = $\sqrt{[s (s - a) (s - b) (s - c)]}$

= $\sqrt{[42 (12) (28) (2)]}$ = 168sq m

area of parallelogram ABCD = 2 x 168 = 336 sq m

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

103 47259

Quantitative Aptitude - Arithmetic Ability Questions

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