6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The arithmetic mean of the marks scored by students of a class is 58. 20% of them secured a mean score of 60. The mean score of another 30% of the students was 40. The mean score of the remaining students is

A) 65	B) 66
C) 68	D) 70

Answer & Explanation Answer: C) 68

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

6 1256

Q:

Out of two numbers, 30% of the smaller number is equal to 18% of the larger number. If the sum of the two numbers is 840, then what is the value of the larger number?

A) 545	B) 507
C) 515	D) 525

Answer & Explanation Answer: D) 525

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

1 1256

Q:

What is the value of $\cos^{2} A / (1 + sinA) ?$

A) 1 + sinA	B) 1 - sinA
C) 1 - secA	D) 1 + secA

Answer & Explanation Answer: B) 1 - sinA

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1255

Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) WYA	B) MNO
C) ACE	D) EGI

Answer & Explanation Answer: B) MNO

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1255

Q:

When $2 x + \frac{2}{x} = 3, then x^{3} + \frac{1}{x} + 2$ value is

A) 2/7	B) 7/8
C) 7/2	D) 8/7

Answer & Explanation Answer: B) 7/8

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1254

Q:

Simplify $(b^{5} x 2 a^{3} z^{4}) * (b^{3} x^{2} a^{4} z^{5}) / (a^{2} b^{3} z^{2})$

A) b5x4a5z5	B) b5x4a5z7
C) b5x4a4z7	D) b4x4a5z7

Answer & Explanation Answer: B) b5x4a5z7

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1254

Q:

Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers?

A) 33	B) 44
C) 55	D) 66

Answer & Explanation Answer: C) 55

Explanation:

All such 2 digit numbers are 11,22,33,44....... upto 99

Forms an AP

So sum = n/2(a+l)

= 9/2(11+99)

Average = sum/9 = ½(11+99) = 55

Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

0 1254

Q:

Find the value of $27 a^{3} + \frac{1}{a^{3}}$ , if $9 a^{2} + \frac{1}{a^{2}} = 43$

A) 240	B) 280
C) 320	D) 360

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links