Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the least number among  59, 949, 0.43 and 0.72.

A) 5/9 B) 0.72
C) 949 D) 0.43
 
Answer & Explanation Answer: C) 949

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Q:

The least six digit number which is a perfect square is

A) 100489 B) 100000
C) 100256 D) 100225
 
Answer & Explanation Answer: A) 100489

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Q:

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

A) 9 B) 18
C) 21 D) 27
 
Answer & Explanation Answer: C) 21

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Q:

In which quadrant, will the point (4, -2) be located?

A) I B) II
C) III D) IV
 
Answer & Explanation Answer: D) IV

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Q:

What is the mean of first hundred natural numbers?

A) 50 B) 50.5
C) 51.5 D) 51
 
Answer & Explanation Answer: B) 50.5

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Q:

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔABC is 100 sq cm, what is the area (in sq cm) of quadrilateral BDEC?

A) 84 B) 16
C) 25 D) 75
 
Answer & Explanation Answer: A) 84

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Q:

Which of the following is correct?

A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2 B) (4x + 5y)(5x - 4y) = 20x2 + 41xy - 20y2
C) (4x + 5y)(5x - 4y) = 20x2 - 9xy + 20y2 D) (4x + 5y)(5x - 4y) = 20x2 - 41xy + 20y2
 
Answer & Explanation Answer: A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2

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Q:

If 7 + 4x > 3 + 3x and 3x -­ 2 < 5 -­ x; then x can take which of the following values?

A) 2 B) 3
C) 1 D) -5
 
Answer & Explanation Answer: C) 1

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