Quantitative Aptitude - Arithmetic Ability Questions

Q:

The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The 15th observation is

A) 20 B) 24
C) 26 D) 28
 
Answer & Explanation Answer: C) 26

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Q:

Find the mean value of 2, 3, 3, 4, 6, 7

A) 4.17 B) 4.15
C) 4.13 D) 4.70
 
Answer & Explanation Answer: A) 4.17

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Q:

What is the value of sin 330°?

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

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Q:

If (sinA + CosA)/(sin A - cos A) = 5/4, the value of (tan2A + 1)/(tan2A - 1) = ?

A) 41/40 B) 12/13
C) 40/41 D) -31/49
 
Answer & Explanation Answer: D) -31/49

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Q:

If 5 - 2x ≥ 4 - x and 3(2 - x) > 2 - 4x; then x can take which of the following values?

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

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Q:

In the following question, select the odd number from the given alternatives.

A) 145 B) 463
C) 581 D) 651
 
Answer & Explanation Answer: B) 463

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Q:

Select the odd number from the given alternatives.

A) 24 B) 39
C) 65 D) 51
 
Answer & Explanation Answer: C) 65

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Q:

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

A) IFMN B) DAHI
C) ROVW D) QNTV
 
Answer & Explanation Answer: D) QNTV

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