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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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What is the value of (cos45° + 1/3) ?

A) 2+√3	B) (2√2+1)/√2
C) (3+√2)/3√2	D) 5/√3

A) 2+√3

B) (2√2+1)/√2

C) (3+√2)/3√2

D) 5/√3

Answer & Explanation Answer: C) (3+√2)/3√2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1759

Two men standing on same side of a pillar 75 metre high, observe the angles of elevation of the top of the pillar to be 30° and 60° respectively the distance between two men is

A) 100 3m	B) 100m
C) 753m	D) 253m

A) 100 3m

B) 100m

C) 753m

D) 253m

Answer & Explanation Answer: A) 100 3m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

3 1759

Select the odd number from the given alternatives.

A) 1600	B) 2500
C) 3600	D) 4000

A) 1600

B) 2500

C) 3600

D) 4000

Answer & Explanation Answer: D) 4000

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1759

10 identical solid spherical balls of radius 3 cm are melted to form a single sphere. In this process 20% of solid is wasted. What is the radius (in cm) of the bigger sphere?

A) 24	B) 12
C) 8	D) 6

A) 24

B) 12

C) 8

D) 6

Answer & Explanation Answer: D) 6

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

0 1759

A train crossed a 140 m long platform in 15 seconds and a 180 m long platform in 17 seconds. The speed of the train was

A) 75 kmph	B) 72 kmph
C) 69 kmph	D) 66 kmph

A) 75 kmph

B) 72 kmph

C) 69 kmph

D) 66 kmph

Answer & Explanation Answer: B) 72 kmph

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

5 1759

$If cosA + \cos^{2} A = 1 then the value of \sin^{2} A + \sin^{4} A is$

A) 1/2	B) 1/4
C) 1	D) 0

A) 1/2

B) 1/4

C) 1

D) 0

Answer & Explanation Answer: C) 1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1758

The difference between the ages of two sisters is 4 years when father's age is 54. Father is elder by 2 years to mother . Younger sister's age is half of mother's age. Find the age of elder sister.