Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of (tan60 - 1/3) ?

A) 3-√2 B) (2√2-√3)/2
C) -1/2√3 D) (3√3-1)/3
 
Answer & Explanation Answer: D) (3√3-1)/3

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Q:

Find the range of the data 2, 1, 2, 3, 5, 4, 7, 3, 5, 2, 4.

A) 5 B) 4
C) 3 D) 6
 
Answer & Explanation Answer: D) 6

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Q:

What is the value of 2 consecutive natural numbers, sum of whose squares is 145?

A) 8, 9 B) 6, 7
C) 13, 14 D) 9, 10
 
Answer & Explanation Answer: A) 8, 9

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Q:

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

A) 80 B) 87.6
C) 90 D) 66.4
 
Answer & Explanation Answer: D) 66.4

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Q:

If tanθ = 724 then find the value of p such that tanθ - secθsinθ = -p28

A) 25 B) 75
C) 50 D) 100
 
Answer & Explanation Answer: B) 75

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Q:

What is the length of diagonal, if area of a rectangle is 168 sq.cm and breadth is 7 cm?

A) 24 cm B) 15 cm
C) 17 cm D) 25 cm
 
Answer & Explanation Answer: D) 25 cm

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Q:

If secA + tanA = a, then the value of cosA is

A) a2+12a B) 2aa2+1
C) a2-12a D) 2aa2-1
 
Answer & Explanation Answer: B) 2aa2+1

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Q:

The total surface area of a cube is 337.5 cm². Find its side (in cm).

A) 8.5 B) 6.5
C) 5.5 D) 7.5
 
Answer & Explanation Answer: D) 7.5

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