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Q:

Calculate the value of $\frac{\sqrt{5}}{(5 - \sqrt{5})}$ , if the value of √5 = 2.236.

A) 0.809	B) 0.89
C) 0.089	D) 0.807

Answer & Explanation Answer: A) 0.809

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Q:

What is the value of equation $a^{3} + b^{3} + c^{3} - 3 abc if a^{2} + b^{2} + c^{2} = ab + bc + ca + 4 and a + b + c = 4$ .

A) 0	B) 1
C) 16	D) 256

Answer & Explanation Answer: C) 16

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Q:

CAlculate : $\frac{7 |2 - 6| - 4 |5| \div 5}{- 7 (2) - 2 \times 2 \div 2 + 2}$

A) -16/18	B) -14/7
C) -12/7	D) -12/18

Answer & Explanation Answer: C) -12/7

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Q:

Which of the following statements is/are TRUE?

$1 . \sqrt{64} + \sqrt{0.64} + \sqrt{0.0064} = 8.88 2 . \sqrt{81} + \sqrt{0.81} + \sqrt{0.0081} = 9.09$

A) Only I	B) Only II
C) Neither I nor II	D) Both I and II

Answer & Explanation Answer: A) Only I

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Q:

Find the value of 'a' for which $x + \sqrt{3 x} + \frac{a^{2}}{4}$ is a perfect square.

A) √3	B) 2√3
C) 3√3	D) 4√3

Answer & Explanation Answer: A) √3

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Q:

If $\frac{ab - 1}{b} = \frac{cb - 1}{c} = \frac{ac - 1}{a}$ , then $(\frac{a}{c} + \frac{b}{a} + \frac{c}{b})$

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

Answer & Explanation Answer: C) 3

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Q:

Find the unit digit of the expression

$31^{2} + 32^{2} + 33^{2} + 34^{2} + 35^{2} + 36^{2} + 37^{2} + 38^{2} + 39^{2}$

A) 1	B) 4
C) 5	D) 9

Answer & Explanation Answer: C) 5

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Q:

If the value of √30 is approximately 5.477, then what is the approximate value of $\sqrt{\frac{5}{6}}$ ?

A) 0.853	B) 0.891
C) 0.913	D) 0.937

Answer & Explanation Answer: C) 0.913

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