Quantitative Aptitude - Arithmetic Ability Questions

Q:

The mean of the data 1, 2, 10, 18, 3, 17, 19 is

A) 7 B) 10
C) 17 D) 70
 
Answer & Explanation Answer: B) 10

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Q:

If y=2-x1+x, then what is the value of 1y+1 + 2y+1y2-1 ?

A) (1+x)(2-x)2x-1 B) (1-x)(2+x)x-1
C) (1+x)(2-x)1-2x D) (1+x)(1-2x)2-x
 
Answer & Explanation Answer: C) (1+x)(2-x)1-2x

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Q:

If 1/√(1 -­ sin2A) = x, then the value of x is

A) tanA B) cosecA
C) secA D) cosA
 
Answer & Explanation Answer: C) secA

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Q:

If u+v = 10 and uv = 16, then find the value of u2-v2uv

A) 0 B) 15/8
C) 15/4 D) 15/2
 
Answer & Explanation Answer: C) 15/4

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Q:

54% of 4000 is

A) 2025 B) 2172
C) 2232 D) 2160
 
Answer & Explanation Answer: D) 2160

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Q:

Find the HCF & LCM of 16, 24.

A) 8, 48 B) 4, 12
C) 2, 24 D) 4, 48
 
Answer & Explanation Answer: A) 8, 48

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Q:

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

A) 12 : 144 B) 20 : 400
C) 15 : 225 D) 17 : 285
 
Answer & Explanation Answer: D) 17 : 285

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Q:

What is the area (in sq cm) of a regular hexagon of side 9 cm?

A) 50√3 B) 300√3
C) 243√3/2 D) 200√3
 
Answer & Explanation Answer: C) 243√3/2

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