6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Travelling at 4/5th of his usual speed, a man is 15 minutes late. What is his usual time to cover the same distance?

A) 15 min	B) 1 hr
C) 75 min	D) 45 min

Answer & Explanation Answer: B) 1 hr

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

1 2710

Q:

If $\tan^{2} A - \sin^{2} A = x$ , then value of x is

A) tan2A sin2A	B) cot2A cosec2A
C) tanA sinA	D) cotA cosecA

Answer & Explanation Answer: A) tan2A sin2A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2710

Q:

If Sin θ = 20/29, then what is the value of Cos θ?

A) 29/21	B) 21/29
C) 21/20	D) 20/29

Answer & Explanation Answer: B) 21/29

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

2 2710

Q:

A bank offers 15% compound interest per half year. A customer deposits Rs 8800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is _____.

A) Rs 8315	B) Rs 2079
C) Rs 4158	D) Rs 1039

Answer & Explanation Answer: C) Rs 4158

Explanation:

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Filed Under: Compound Interest
Exam Prep: Bank Exams

3 2707

Q:

Painter 'A' can paint a house in 10 days and 'B' can do it in 20 days. With help of 'C', they did the job in 5 days only. Then, 'C' alone can do the job in:

A) 20 days	B) 10 days
C) 40 days	D) 50 days

Answer & Explanation Answer: A) 20 days

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

0 2706

Q:

The perimeter of a rectangle whose length is 6 metre more than its breadth is 84 metre. What is the area of the triangle whose base is equal to the diagonal of the rectangle and height is equal to the length of the rectangle?

A) 360sq metre	B) 380 sq metre
C) 360 metre	D) 400 sq metre

Answer & Explanation Answer: A) 360sq metre

Explanation:

Let the breadth of rectangle be x m.

Then, the length of rectangle = (x+ 6) m

Perimeter of rectangle = 2 (x+x+ 6) m

Therefore, 2 (x+x+ 6) = 84 m

4x+ 12 = 84

4x= 84 –12
4x = 72/4 = 18
Therefore, length of rectangle = 18 + 6 = 24 m = height of triangle

Diagonal of rectangle = √(324+576) = 30 m = base of triangle

Therefore, are of triangle =1/2× base × height =1/2× 24 × 30 = 360 sq. m

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

3 2705

Q:

Can yoy guess the Age of Karthik & Kalyan ?

age_31499317915.jpg image

A) 68 & 44	B) 64 & 48
C) 58 & 54	D) 76 & 36

Answer & Explanation Answer: B) 64 & 48

Explanation:

Given Karthik + Kalyan = 112

Given that when karthik is at the age of kalyan he is twice of Kalyan's age

i.e When he was 48 means Kalyan is at 24

=> Present age of Kalyan is 48

And that of Karthik is 112 - 48 = 64

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Filed Under: Problems on Ages
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

9 2704

Q:

Choose the word which is least like the other words in the group.

A) Wheat	B) Rice
C) Mustard	D) Gram

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