6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (5, 10, 15)	B) (7, 14, 21)
C) (6, 12, 18)	D) (8, 16, 28)

Answer & Explanation Answer: D) (8, 16, 28)

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The corners of a square of side ‘a’ are cut away so as to form a regular octagon. What is the side of the octagon?

A) a(√2 –1)	B) a(√3 –1)
C) a/√2+2	D) a/3

Answer & Explanation Answer: A) a(√2 –1)

Explanation:

Since we are forming a regular octagon

so AE = AL = FB = BG and so on

So AE = SB = x/√2

AE + EF + FB = side of square = a (Given)

So x/√2 + x + x/√2 = a

X = a/(√2+1) = a(√2 -1)

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Which of the following option is CORRECT about the figure shown below?

A) OA – AR = OB + BR	B) OA + AR = OB – BR
C) OA + AR = OB + BR	D) None of these

Answer & Explanation Answer: C) OA + AR = OB + BR

Explanation:

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Filed Under: Volume and Surface Area
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Q:

The sum of the present ages of a father and his son is 60 yrs. Six years ago, fathers age was five times the age of the son. After 6 yrs, son's age will be

A) 20 yrs	B) 21 yrs
C) 15 yrs	D) 19 yrs

Answer & Explanation Answer: A) 20 yrs

Explanation:

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Filed Under: Problems on Ages
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Q:

The lengths of two parallel sides of a trapezium are 21 cm and 9 cm. If its height is 10 cm, then what is the area (in cm2) of the trapezium?

A) 35	B) 75
C) 150	D) 225

Answer & Explanation Answer: C) 150

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Suppose that the medians BD, CE and AF of a triangle ABC meet at G. Then AG: GF is

A) 1:2	B) 2:1
C) 1:3	D) 2:3

Answer & Explanation Answer: B) 2:1

Explanation:

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Filed Under: Volume and Surface Area
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Q:

What is the slope of the line perpendicular to the line passing through the points (6,3) and (2,7)?

A) -2	B) 2
C) 1/2	D) -1/2

Answer & Explanation Answer: A) -2

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

A square park having a side 22 m has two roads each 2 m wide running in the middle of it and parallel to its length and breadth. What will be the cost of gravelling the path at the rate of Rs.100/sq.m?

A) Rs. 88	B) Rs. 8800
C) Rs. 84	D) Rs. 8400

Quantitative Aptitude - Arithmetic Ability Questions

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