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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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A 220 metres long train takes 33 seconds to cross a 440 metres long bridge. How much time (in seconds) will the train take to cross a 350 metres long bridge?

A) 28.5	B) 17.5
C) 23.5	D) 27.5

A) 28.5

B) 17.5

C) 23.5

D) 27.5

Answer & Explanation Answer: A) 28.5

Explanation:

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

1 1537

A train crosses a 550 m long platform in 36 seconds. How long was the train if it was travelling at the speed of 70 kmph?

A) 160 m	B) 140 m
C) 150 m	D) 525 m

A) 160 m

B) 140 m

C) 150 m

D) 525 m

Answer & Explanation Answer: C) 150 m

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

6 1536

The average height of 50 bats is 126 cm. Some bats of average height 120 cm are removed. If the new average height is 130 cm, then how many bats are remaining?

A) 12	B) 20
C) 16	D) 30

A) 12

B) 20

C) 16

D) 30

Answer & Explanation Answer: D) 30

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Filed Under: Average
Exam Prep: Bank Exams

3 1536

What is the simplified value of (cos A + sin A)(cot A + tan A)?

A) sec A + cosec A	B) sin A + cos A
C) tan A + cot A	D) sec A – cosec A

A) sec A + cosec A

B) sin A + cos A

C) tan A + cot A

D) sec A – cosec A

Answer & Explanation Answer: A) sec A + cosec A

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?

A) 36	B) 24
C) 28	D) 40

A) 36

B) 24

C) 28

D) 40

Answer & Explanation Answer: A) 36

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Filed Under: Time and Work
Exam Prep: Bank Exams

0 1536

If a + b = 1, then $a^{4} + b^{4} - a^{3} - b^{3} - 2 a^{2} b^{2} + ab$ is equal to

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

A) 1

B) 2

C) 4

D) 0

Answer & Explanation Answer: D) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1536

What is the value of (cot60 + 1/√3) ?

A) 4/√3	B) (2√2+√3)/2
C) 2/√3	D) (2√2+1)/√2

A) 4/√3

B) (2√2+√3)/2

C) 2/√3

D) (2√2+1)/√2

Answer & Explanation Answer: C) 2/√3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

1 1536

After excluding stoppages, the speed of a bus is 60 kmph and after including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?