Quantitative Aptitude - Arithmetic Ability Questions

Q:

Which of the following is correct?

A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2 B) (3x -­ 2y)2 = 9x2 -­ 6xy + 4y2
C) (3x + 2y)2 = 9x2 -­ 12xy + 4y2 D) (3x + 2y)2 = 9x2 -­ 6xy + 4y2
 
Answer & Explanation Answer: A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the odd word/letters/number from the given alternatives.

A) BDGK B) JLOS
C) NPSW D) MORU
 
Answer & Explanation Answer: D) MORU

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

P, Q and R are partners in a company. In any year P receives 1/9 part of profit, Q receives 1/6 part of profit and R receives Rs 130000. How much amount (in Rs) will P get as profit?

A) 40000 B) 36000
C) 18000 D) 20000
 
Answer & Explanation Answer: D) 20000

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

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
 
Answer & Explanation Answer: D) 30

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

The least number, which when divided by 5, 6, 7 and 8 leaves a remainder 3 in each case, but when divided by 9 leaves no remainder, is:

A) 1677 B) 1683
C) 2523 D) 3363
 
Answer & Explanation Answer: B) 1683

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Q:

Find the total surface area (in cm2 ) of a hemisphere of diameter 42 cm.

A) 4158 B) 5782
C) 6321 D) 7782
 
Answer & Explanation Answer: A) 4158

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

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Q:

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

A) 12.5 B) 10
C) 7.5 D) 15
 
Answer & Explanation Answer: A) 12.5

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :

A) 1:1 B) 3√4:1
C) 3√3:3√2 D) 3√4:3√3
 
Answer & Explanation Answer: D) 3√4:3√3

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