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Q:

$What is the value of {(1 + cotA)}^{2} + {(1 - cotA)}^{2} ?$

A) 2cosec2A	B) 2sec2A
C) 1 - 2cosec2A	D) 1 - 2sec2A

Answer & Explanation Answer: A) 2cosec2A

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Q:

$If a + b = 8 and ab = 15, then a^{3} + b^{3} is$

A) 224	B) 244
C) 152	D) 128

Answer & Explanation Answer: C) 152

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Q:

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 198, then what is the difference between the first and the third number?

A) 216	B) 297
C) 661	D) 431

Answer & Explanation Answer: A) 216

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Q:

Expand and simplify ${(x + 4)}^{2} + {(x - 2)}^{2}$

A) 2(x2 + 2x + 10)	B) 2(x2 + 2x - 10)
C) 2(x2 - 2x + 10)	D) 2(x2 - 2x - 10)

Answer & Explanation Answer: A) 2(x2 + 2x + 10)

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Q:

Refer the below data table and answer the following question.

What was the total profit or loss of the company in the last 5 years?

A) Loss of Rs 15 crores	B) Loss of Rs 5 crores
C) Profit of Rs 5 crores	D) Profit of Rs 15 crores

Answer & Explanation Answer: B) Loss of Rs 5 crores

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Filed Under: Table Charts
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Q:

Factorise $24 x^{2} - 54 x - 15$

A) 3(2x + 5)(4x - 1)	B) 3(2x - 5)(4x + 1)
C) 2(3x - 5)(4x + 1)	D) 4(2x - 5)(3x + 1)

Answer & Explanation Answer: B) 3(2x - 5)(4x + 1)

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Q:

If x - y = -8 and xy = 45, then $(x^{2} + y^{2})$ is

A) 154	B) 64
C) 90	D) 26

Answer & Explanation Answer: A) 154

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Q:

If $1 / \sqrt (1 + \cot^{2} A) = x$ , then value of x is

A) sinA	B) cosecA
C) cosA	D) secA

Answer & Explanation Answer: A) sinA

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