Quantitative Aptitude - Arithmetic Ability Questions

Q:

The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is

A) 200(3+√3) meter B) 250(3+√3) meter
C) 150(3+√3) meter D) 160(3+√3) meter
 
Answer & Explanation Answer: C) 150(3+√3) meter

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0 1352
Q:

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?

A) 15 hours B) 13 hours
C) 16 hours D) 12 hours
 
Answer & Explanation Answer: A) 15 hours

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams , CAT

4 1352
Q:

Find the number that is as much greater than 39 as is less than 79.

A) 42 B) 49
C) 55 D) 59
 
Answer & Explanation Answer: D) 59

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1351
Q:

A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?

A) 20 B) 15
C) 25 D) 10
 
Answer & Explanation Answer: A) 20

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Filed Under: Simple Interest
Exam Prep: Bank Exams

1 1351
Q:

If a perfect square, not divisible by 6, be divided by 6, the remainder will be

A) 1, 3 or 5 B) 1, 2 or 5
C) 1, 3 or 4 D) 1, 2 or 4
 
Answer & Explanation Answer: C) 1, 3 or 4

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0 1351
Q:

The angles of elevation of top and bottom of a flag kept on a flag post from 30 metres distance, are 45 and 30 deg respectively. Height of the flag is [taking √3 = 1.732]

A) 12 √3 m B) 15 m
C) 14.32 m D) 12.68 m
 
Answer & Explanation Answer: D) 12.68 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

1 1351
Q:

Compute of 69696 x 9999 =

A) 696980304 B) 666890304
C) 696809304 D) 696890304
 
Answer & Explanation Answer: D) 696890304

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1350
Q:

The factors of x2 + 8x + 12 are

A) (x+6)(x+2) B) (x-6)(x+2)
C) (x-4)(x-4) D) (x+6)(x-2)
 
Answer & Explanation Answer: A) (x+6)(x+2)

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1350