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Quantitative Aptitude - Arithmetic Ability/
Simplification /
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Simplify

$\frac{1 . 5^{3} + 4 . 7^{3} + 3 . 8^{3} - 3 x 1.5 x 4.7 x 3.8}{1 . 5^{2} + 4 . 7^{2} + 3 . 8^{2} - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8}$

A) 6	B) 8
C) 10	D) 12

Answer: C) 10

Explanation:

Apply $\frac{a^{3} + b^{3} + c^{3} - 3 a b c}{a^{2} + b^{2} + c^{2} - a b - b c - c a} = a + b + c$

Hence the answer is 1.5 + 4.7 + 3.8 = 10.

Subject: Simplification
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

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A) a2 - b2

B) a2 + b2

C) a2 - 4ab + b2

D) a2 - 2ab + b2

Answer & Explanation Answer: B) a2 + b2

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$\frac{196}{0.196} = \frac{19.6}{x}$ then what will be the value of x?

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B) 10.96

C) 0.0196

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If $cosθ = 4 / 5$ , then $(secθ + cosecθ) =$

A) 7/5	B) 15/12
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C) 35/12

D) 12/5

Answer & Explanation Answer: C) 35/12

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A) 720

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A) 1/3	B) 4/3
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A) 1/3

B) 4/3

C) 9/3

D) 10/3

Answer & Explanation Answer: D) 10/3

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If the equations $6 x - 5 y + 11 = 0$ and $15 x + ky - 9 = 0$ have no solution, then the value of k is:

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A) -18

B) 12.5

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Answer & Explanation Answer: C) -12.5

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C) 40

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Answer & Explanation Answer: B) 45

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Simplify 1.53 + 4.73 + 3.83 - 3 x 1.5 x 4.7 x 3.81.52 + 4.72 + 3.82 - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8

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Simplify

$\frac{1 . 5^{3} + 4 . 7^{3} + 3 . 8^{3} - 3 x 1.5 x 4.7 x 3.8}{1 . 5^{2} + 4 . 7^{2} + 3 . 8^{2} - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8}$