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Q:

If (x+a) is the H.C.F of $2 x^{2} + 5 x - 12 and x^{2} + x - 12$ then find the value of a.

A) -3	B) -2
C) 4	D) 5

Answer & Explanation Answer: C) 4

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Ramu can row 9 kmph in still water. It takes him twice as long to row up as to row down. Find the rate of stream.

A) 16 kmph	B) 8 kmph
C) 3 kmph	D) 9 kmph

Answer & Explanation Answer: B) 8 kmph

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

Q:

If $tanα = \sqrt{2} - 1$ , then the value of $tanα - cotα = ?$

A) -2	B) √2 + 1
C) 1	D) 2√2

Answer & Explanation Answer: A) -2

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Filed Under: Simplification
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Q:

Consider the given question and decide which of the following statements is sufficient to answer the question.

What are the values of p, q and r?

Statements :

$1 . {(p + q)}^{2} = 16 2 . p - q = 4; r = 2 p$

A) Neither 1 nor 2 is sufficient to answer the question	B) Both 1 and 2 are sufficient to answer the question
C) Only 1 is sufficient to answer the question	D) Only 2 is sufficient to answer the question

Answer & Explanation Answer: B) Both 1 and 2 are sufficient to answer the question

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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

Q:

If a+1/a = 3, then $a^{3} + \frac{1}{a^{3}}$ ?

A) 12	B) 18
C) 9	D) 6

Answer & Explanation Answer: B) 18

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Filed Under: Simplification
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Q:

To go a distance of 40 km upstream a rower takes 8 hours while it takes her only 5 hours to row the same distance downstream. What was the rower's speed in still water?

A) 4.5 kmph	B) 4 kmph
C) 6.5 kmph	D) 1.5 kmph

Answer & Explanation Answer: C) 6.5 kmph

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

Q:

What is the value of $\frac{a^{2} + b^{2}}{a^{3} - b^{3}}$ , when a + b = 8 and a - b = 2?

A) 0.313	B) 0.347
C) 0.368	D) 0.381

Answer & Explanation Answer: B) 0.347

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

What is the value of $13 x 49^{\frac{3}{2}}$ ?

A) 4369	B) 4459
C) 4549	D) 4639

Answer & Explanation Answer: B) 4459

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Filed Under: Simplification
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