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Q:

If $x + 3 y - \frac{2 z}{4} = 6, x + \frac{2}{3} (2 y + 3 z) = 33 and \frac{1}{7} (x + y + z) + 2 z = 9,$ then what is the value of 46x+ 131y ?

A) 414	B) 364
C) 384	D) 464

Answer & Explanation Answer: A) 414

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If a + b = 10 and $\sqrt{\frac{a}{b}} - 13 = - \sqrt{\frac{b}{a}} - 11$ , then what is the value of $3 ab + 4 a^{2} + 5 b^{2}$ ?

A) 450	B) 300
C) 600	D) 750

Answer & Explanation Answer: B) 300

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Which of the following statement(s) is/are TRUE?

I. √11 + √7 < √10 + √8.
II. √17 + √11 > √15 + √13

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

Answer & Explanation Answer: A) Only I

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Filed Under: Verification of Truth of the statement
Exam Prep: Bank Exams

Q:

If the compound interest for the 3rd and 4th year on a certain principal is Rs 125 and Rs 135 respectively, what is the rate of interest (in %)?

A) 9	B) 10
C) 8	D) 12

Answer & Explanation Answer: C) 8

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Filed Under: Compound Interest
Exam Prep: Bank Exams

Q:

Cost of 8 pencils, 5 pens and 3 erasers is Rs 111. Cost of 9 pencils, 6 pens and 5 erasers is Rs 130. Cost of 16 pencils, 11 pens and 3 erasers is Rs 221. What is the cost (in Rs) of 39 pencils, 26 pens and 13 erasers?

A) 316	B) 546
C) 624	D) 482

Answer & Explanation Answer: B) 546

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

If $A = 2^{32}, B = 2^{31} + 2^{30} + 2^{29} + . . . + 2^{0}$ and $C = 3^{15} + 3^{14} + 3^{13} + . . . + 3^{0}$ , then which of the following option is TRUE?

A) C > B > A	B) C > A > B
C) A > B > C	D) A > C > B

Answer & Explanation Answer: B) C > A > B

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Filed Under: Numbers
Exam Prep: Bank Exams

Q:

Which of the following statement(s) is/are TRUE?

I. 3/71 < 5/91 < 7/99
II. 11/135 > 12/157 > 13/181

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

Answer & Explanation Answer: C) Both I and II

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Which of the following statement(s) is/are TRUE?

I . $\frac{1}{1 \times 3} + \frac{1}{3 \times 5} + \frac{1}{5 \times 7} + . . . + \frac{1}{11 \times 13} = \frac{12}{13}$

II. $\frac{1}{1 \times 2} + \frac{1}{2 \times 3} + \frac{1}{3 \times 4} + . . . + \frac{1}{12 \times 13} = \frac{12}{13}$

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

Answer & Explanation Answer: B) Only II

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Filed Under: Simplification
Exam Prep: Bank Exams

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