6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Suppose 0 < θ < 90, then for every θ 4 sin2 θ + 1 is greater than or equal to ?

A) 2	B) 4 sin θ
C) 4 cos θ	D) 4 tan θ

Answer & Explanation Answer: B) 4 sin θ

Explanation:

We know that,

Arithmetic mean ≥ Geometric mean

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

6 78628

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

Answer & Explanation Answer: B) Only III

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 78432

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 78286

Q:

What is the value of (1/√3 - sin45)?

A) 1/2√3	B) (√2-√3)/√6
C) 1-√2	D) (4-√3)/2

Answer & Explanation Answer: B) (√2-√3)/√6

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 78242

Q:

What should come in place of question mark (?) in the following number series?

38, 195, ?, 4905, 24530, 122655

A) 980	B) 885
C) 824	D) 1021

Answer & Explanation Answer: A) 980

Explanation:

The given series follows the pattern that,

×5+5, ×5+5, ×5+5, ×5+5, ×5+5

38 x 5 + 5 = 195

195 x 5 + 5 = 980

980 x 5 + 5 = 4905

4905 x 5 + 5 = 24530

24530 x 5 + 5 = 122655

So the missing number is 980 .

Report Error

View Answer Report Error Discuss

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

7 78225

Q:

What is the value of (2 - tan60°) ?

A) -1/√3	B) (√3-4)/2√3
C) -1/2	D) 2-√3

Answer & Explanation Answer: D) 2-√3

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 78215

Q:

Find the odd one out of the series ?

35, 48, 54, 63, 81, 105

A) 63	B) 48
C) 35	D) 81

Answer & Explanation Answer: C) 35

Explanation:

48, 54, 63, 81 and 105 are divisible by 3 but not 35.

Report Error

View Answer Report Error Discuss

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

12 78199

Q:

At what rate percent per annum will a sum of money double in 8 years.

A) 12.5%	B) 13.5%
C) 11.5%	D) 14.5%

Answer & Explanation Answer: A) 12.5%

Explanation:

Let principal = P, Then, S.I.= P and Time = 8 years

We know that S.I. = PTR/100

Rate = [(100 x P)/ (P x 8)]% = 12.5% per annum.

Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest
Exam Prep: GRE , CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

469 78198

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links