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If a - b = -5 and $a^{2} + b^{2} = 73$ , then find ab.

A) 35	B) 14
C) 50	D) 24

A) 35

B) 14

C) 50

D) 24

Answer & Explanation Answer: D) 24

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

The value of $\tan 80 ° \tan 10 ° + \sin 270 ° + \sin 20^{\circ}$

A) 0	B) 1
C) 2	D) 32

A) 0

B) 1

C) 2

D) 32

Answer & Explanation Answer: C) 2

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

If $x^{4} + \frac{1}{x^{4}} = 119,$ then the value of $x - \frac{1}{x}$ is

A) 6	B) 12
C) 11	D) 3

A) 6

B) 12

C) 11

D) 3

Answer & Explanation Answer: D) 3

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

The value of $\sqrt{- \sqrt{3 +} \sqrt{3 + 8 \sqrt{7 + 4 \sqrt{3}}}}$ is

A) 2	B) 4
C) ±2	D) -2

A) 2

B) 4

C) ±2

D) -2

Answer & Explanation Answer: A) 2

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Filed Under: Quantitative Aptitude - Arithmetic Ability

If $\cos^{4} θ - \sin^{4} θ = \frac{1}{3}$ then the value of $\tan^{2} θ$ is

A) 1/2	B) 1/3
C) 1/4	D) 1/5

A) 1/2

B) 1/3

C) 1/4

D) 1/5

Answer & Explanation Answer: A) 1/2

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Filed Under: Quantitative Aptitude - Arithmetic Ability

If m+n=1, then the value of $m^{3} + n^{3} + 3 m n$ is equal to

A) 0	B) 1
C) 2	D) 3

A) 0

B) 1

C) 2

D) 3

Answer & Explanation Answer: B) 1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

If $a + \frac{1}{a} = 1,$ then the value of $\frac{a^{2} - a + 1}{a^{2} + a + 1}$ is $(a \neq 0)$

A) 1	B) -1
C) 0	D) 2

A) 1

B) -1

C) 0

D) 2

Answer & Explanation Answer: C) 0

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Filed Under: Quantitative Aptitude - Arithmetic Ability

ABCD is a cyclic quadrilateral $∠ D B A = 50 ° a n d ∠ A D E = 33 °, t h e n t h e m e a s u r e m e n t o f ∠ B C D i s$

A) 83°	B) 80°
C) 75°	D) 60°

A) 83°

B) 80°

C) 75°

D) 60°

Answer & Explanation Answer: A) 83°

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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