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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If 2cosAsinB = x, then the value of x is?

A) sin(A+B) + sin(A-B)	B) cos(A+B) + cos(A-B)
C) sin(A+B) - sin(A-B)	D) cos(A-B) - cos(A+B)

A) sin(A+B) + sin(A-B)

B) cos(A+B) + cos(A-B)

C) sin(A+B) - sin(A-B)

D) cos(A-B) - cos(A+B)

Answer & Explanation Answer: C) sin(A+B) - sin(A-B)

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Find the value of ${[6 {[8^{\frac{1}{3}} + 64^{\frac{1}{3}}]}^{3}]}^{\frac{1}{4}}$

A) 5	B) 6
C) 36	D) 216

A) 5

B) 6

C) 36

D) 216

Answer & Explanation Answer: B) 6

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Simplify 437bxaz / 23ab.

A) 17xzb	B) 9xz
C) 19xz	D) 19ab

A) 17xzb

B) 9xz

C) 19xz

D) 19ab

Answer & Explanation Answer: C) 19xz

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Find the value of x if $\sqrt{1 - \frac{x}{24}} = \frac{13}{18}$

A) 155	B) 157
C) 159	D) 161

A) 155

B) 157

C) 159

D) 161

Answer & Explanation Answer: A) 155

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Select the odd word/letters/number/number pair from the given alternatives.

A) Tonne	B) Quintal
C) Kilogram	D) Gallon

A) Tonne

B) Quintal

C) Kilogram

D) Gallon

Answer & Explanation Answer: D) Gallon

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

A) Sun	B) Mercury
C) Mars	D) Venus

A) Sun

B) Mercury

C) Mars

D) Venus

Answer & Explanation Answer: A) Sun

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If (1 - cosA)/(1 + cosA) = x, then the value of x is

A) (cotA + cosecA)2	B) (cotA - cosecA)2
C) cotA - cosecA	D) cotA + cosecA

A) (cotA + cosecA)2

B) (cotA - cosecA)2

C) cotA - cosecA

D) cotA + cosecA

Answer & Explanation Answer: B) (cotA - cosecA)2

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

A) 18	B) 30
C) -18	D) -30

A) 18

B) 30

C) -18

D) -30

Answer & Explanation Answer: C) -18

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