Quantitative Aptitude - Arithmetic Ability Questions

Q:

Coefficient of x in (x + 8)(6 -­ 3x) is

A) 18 B) 30
C) -18 D) -30
 
Answer & Explanation Answer: C) -18

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Q:

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

A) Arithmetic B) Mathematics
C) Geometry D) Algebra
 
Answer & Explanation Answer: B) Mathematics

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Q:

If √x ­- √y = 1 , √x + √y = 17 then √xy = ?

A) √72 B) 72
C) 32 D) 24
 
Answer & Explanation Answer: B) 72

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Q:

What is the value of Cot 60 - Sec 30?

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

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Q:

If a + b = 10 and ab- 13 = -ba - 11, then what is the value of 3ab + 4a2 + 5b2 ?

A) 450 B) 300
C) 600 D) 750
 
Answer & Explanation Answer: B) 300

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Q:

What is the value of [(cos 3θ + 2cos 5θ + cos 7θ)÷(cos θ + 2cos 3θ + cos 5θ)] + sin 2θ tan 3θ?

A) cos 2θ B) sin 2θ
C) tan 2θ D) cot θ sin 2θ
 
Answer & Explanation Answer: A) cos 2θ

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Q:

Select the odd letters from the given alternatives.

A) GHI B) XYZ
C) VUT D) CDE
 
Answer & Explanation Answer: C) VUT

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Q:

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

A) 1444 – 37 B) 2809 – 54
C) 2209 – 46 D) 6084 – 77
 
Answer & Explanation Answer: B) 2809 – 54

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