6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher.

A) 30	B) 25
C) 35	D) 40

Answer & Explanation Answer: B) 25

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

2 1927

Q:

A shopkeeper, sold dried apricots at the rate Rs 1,310 a kg and bears a loss of 13%. Now if he decides to sell it at Rs 1,441 per kg, what will be the result?

A) 8.6 percent loss	B) 4.3 percent gain
C) 4.3 percent loss	D) 8.6 percent gain

Answer & Explanation Answer: C) 4.3 percent loss

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 1926

Q:

Average of all even numbers between 104 and 148 is __________.

A) 128	B) 130
C) 124	D) 126

Answer & Explanation Answer: D) 126

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

2 1925

Q:

If $\tan^{2} A / {(secA - 1)}^{2} = x$ , then the value of x is

A) (1+cosecA) / (1-cosecA)	B) (1+cosA)(1-cosA)
C) (1+cosA) / (1-cosA)	D) (1+cosecA)(1-cosecA)

Answer & Explanation Answer: C) (1+cosA) / (1-cosA)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1925

Q:

The area of an equilateral triangle is 9√3 sq cm, find its perimeter?

A) 18 cm	B) 9 cm
C) 9√3 cm	D) 6√3 cm

Answer & Explanation Answer: A) 18 cm

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Filed Under: Area
Exam Prep: Bank Exams

0 1925

Q:

In the given figure, AB = 30 cm and CD = 24 cm. What is the value (in cm) of MN?

A) 18	B) 9
C) 12	D) 15

Answer & Explanation Answer: A) 18

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 1925

Q:

If 3 tan θ = cot θ where $0 < θ < π / 2$ , then what is the value of θ ?

A) π/6	B) π/4
C) π/2	D) 1

Answer & Explanation Answer: A) π/6

Explanation:

3tan θ = cot θ

3tan θ = 1/tan θ

tan2θ = 1/3

tan θ = 1/√3

θ = π/6

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1925

Q:

ABCD is a kite where m∠A is 90° and m∠C is 60°. If length of AB is 6 cm, what is the length of diagonal AC?

A) 6(√2+√3) cm	B) 2(√3+√6) cm
C) 2(√2+√3) cm	D) 3(√2+√6) cm

Quantitative Aptitude - Arithmetic Ability Questions

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