6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the remainder, when $4 x^{4} + 10 x^{3} - 20 x^{2} + 90 is divided by (x + 2)$ ?

A) 0	B) -6
C) 45	D) 90

Answer & Explanation Answer: B) -6

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Filed Under: Square Roots and Cube Roots

3 1919

Q:

By selling 175 pineapples, the gain is equal to the selling price of 50 pineapples. What is the gain percentage?

A) 28	B) 30
C) 32	D) 40

Answer & Explanation Answer: D) 40

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1919

Q:

$\sec^{2} {Acosec}^{2} A$ is equal to

A) sec2A - cosec2A	B) √[sec2A + cosec2A]
C) sec2A + cosec2A	D) √[sec2A - cosec2A]

Answer & Explanation Answer: C) sec2A + cosec2A

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1919

Q:

A box of sweets was distributed between A and B in the ratio 3 :4. If A got 36 sweets , what was the total no.of sweets

A) 12	B) 84
C) 144	D) 27

Answer & Explanation Answer: B) 84

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 1919

Q:

Δ PQR is right angled at Q. If m√R = 30°, then what is the value of Cot P?

A) 1/2	B) 1/√2
C) 1/√3	D) 2

Answer & Explanation Answer: C) 1/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

2 1918

Q:

X and Y give an exam. Difference of their marks is 45 and the difference of their marks is 15% of the maximum marks. What is the maximum marks for the exam?

A) 180	B) 450
C) 150	D) 300

Answer & Explanation Answer: D) 300

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Filed Under: Percentage
Exam Prep: Bank Exams

1 1918

Q:

The average age of 80 boys in a class is 15 years. The average age of a group of 15 boys in the class is 16 years and the average age of another 25 boys in the class is 14 years. What is the average age of the remaining boys in the class?

A) 15.25 years	B) 14 years
C) 14.75 years	D) Cannot be determined

Answer & Explanation Answer: A) 15.25 years

Explanation:

Total sum of age of 80 students of the class = 15 X 80 = 1200 years
15 students → 15 X 16 = 240 years
25 students → 25 X 14 = 350 years
Sum of 40 students = 590 years
Total age of remaining 40 students = 1200 – 590 = 610
So, average age = 15.25 years

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Filed Under: Average
Exam Prep: Bank Exams

0 1918

Q:

The average of 100 items was found to be 30 . If at the time of calculation , two items were wrongly taken as 32 and 12 instead of 23 and 11 , then the correct average is

A) 29.8	B) 29
C) 29.9	D) 29.5

Quantitative Aptitude - Arithmetic Ability Questions

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