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Q:

What is the value of $z^{2} + \frac{1}{z^{2}}$ when $z = 5 + 2 \sqrt{6}$ ?

A) 49	B) 50
C) 98	D) 100

Answer & Explanation Answer: C) 98

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Determine the value of 'x' in $x = \frac{1}{1 + \sqrt{2}} + \frac{1}{\sqrt{2} + \sqrt{3}} + \frac{1}{\sqrt{3} + 2}$

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

Answer & Explanation Answer: C) 1

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Filed Under: Simplification
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Q:

If the value $\sqrt{5} = 2.236$ ,then calculate the value of $\sqrt{405} - \frac{1}{2} \sqrt{80} - \sqrt{125}$

A) 2.236	B) 4.472
C) 1.118	D) 8.994

Answer & Explanation Answer: B) 4.472

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Q:

In the following question, select the missing number from the given series.

119, 121, 124, 128, ?, 139

A) 130	B) 133
C) 131	D) 132

Answer & Explanation Answer: B) 133

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Filed Under: Number Series
Exam Prep: Bank Exams

Q:

Which of the following increased in the 1920's?

A) Farmers' debt	B) Domestic demand for U.S. farm products
C) Prices for farm productsc)	D) Foreign demand for U.S. farm products

Answer & Explanation Answer: A) Farmers' debt

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Filed Under: Indian History
Exam Prep: Bank Exams

Q:

If x = 1.1, then what is the value of $\sqrt{4 x^{2} - 4 x + 1}$ ?

A) 1.21	B) 1.331
C) 2.21	D) 1.2

Answer & Explanation Answer: D) 1.2

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Filed Under: Simplification
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Q:

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

A) X– (1/2)	B) X – (1/19)
C) X – (19/10)	D) X – (19/9)

Answer & Explanation Answer: C) X – (19/10)

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Filed Under: Average
Exam Prep: Bank Exams

Q:

If $x + \frac{1}{x} = - 2$ , then the value of $x^{631} + \frac{1}{x^{632}}$ ?

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

Answer & Explanation Answer: C) 0

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Filed Under: Simplification
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