6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find the next number in the number series?

6, 6, 9, 18, 45, ?

A) 87	B) 99.75
C) 115.5	D) 135

Answer & Explanation Answer: D) 135

Explanation:

The given number series is 6, 6, 9, 18, 45, ?

Here the series follows a pattern that,

6

6 x 1 = 6

6 x 1.5 = 9

9 x 2 = 18

18 x 2.5 = 45

45 x 3 = 135

Hence, the next number in the given number series is 135.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

8 71184

Q:

In the given figure, if QR/XY = 14/9 and PY = 18 cm, then what is the value (in cm) of PQ?

A) 28	B) 18
C) 21	D) 24

Answer & Explanation Answer: A) 28

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

2 70951

Q:

Find the odd one out of the following number series?

56, 64, 48, 90, 16, 144

A) 48	B) 64
C) 90	D) 16

Answer & Explanation Answer: C) 90

Explanation:

The given number series follows a pattern that,

56

56 + 8 = 64

64 - 16 = 48

48 + 32 = 80 (Not equal to 90)

80 - 64 = 16

16 + 128 = 144

Hence, the odd number in the given number series is 90.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

4 70770

Q:

Calculate the value of x, if $\sqrt{1 - (\frac{x}{529})} = (\frac{16}{23})$

A) 283	B) 276
C) 273	D) 374

Answer & Explanation Answer: C) 273

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

3 70755

Q:

If the diameter of a circle is 28 cm, then what will be its circumference (in cm)?

A) 88	B) 176
C) 35	D) 70

Answer & Explanation Answer: A) 88

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

0 70751

Q:

Simplify

39.96% of 649.85 $\div$ 13.07 = 45.14 - ?

A) 25	B) 26
C) 27	D) 28

Answer & Explanation Answer: A) 25

Explanation:

This can be easily simplified by Approximation process

Given 39.96% of 649.85 $\div$ 13.07 = 45.14 - ? can be written as

40% of 650 $\div$ 13 = 45 - ?

$\frac{\frac{40 x 650}{100}}{13} = 45 - ? ? = 45 - 20 ? = 25 .$

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

4 70728

Q:

A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

A) 14 cms	B) 21 cms
C) 42 cms	D) None of these

Answer & Explanation Answer: B) 21 cms

Explanation:

3.78 meters =378 cm = 2 × 3 × 3 × 3 × 7

5.25 meters=525 cm = 5 × 5 × 3 × 7

Hence common factors are 3 and 7

Hence LCM = 3 × 7 = 21

Hence largest size of square tiles that can be paved exactly with square tiles is 21 cm.

Report Error

View Answer Report Error Discuss

Filed Under: HCF and LCM

169 70699

Q:

Which of the following statement(s) is/are true?

$I . {(65)}^{1 / 6} > {(17)}^{1 / 4} > {(12)}^{1 / 3} II . {(17)}^{1 / 4} > {(65)}^{1 / 6} > {(12)}^{1 / 3} III . {(12)}^{1 / 3} > {(17)}^{1 / 4} > {(65)}^{1 / 6}$

A) Only I	B) Only III
C) Only II	D) None of these

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links