Exams Questions and Answers

Q:

Who of the following operated the first regular trade union in India?

A) M.N. Lokhande	B) V.P. Wadia
C) Shashipad Banerjee	D) N.M. Joshi

Answer & Explanation Answer: B) V.P. Wadia

Explanation:

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Q:

Pick the odd one out from the given number series?

21, 24, 33, 49, 74

A) 21	B) 24
C) 33	D) 49

Answer & Explanation Answer: A) 21

Explanation:

The given number series follows a pattern that,

$19 + 1^{2} = 20 (not 21) 20 + 2^{2} = 24 24 + 3^{2} = 33 33 + 4^{2} = 49 49 + 5^{2} = 74$

Hence, the odd number in the given number series is 21.

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Q:

Which of the following areas has the largest production of coal in China?

A) Shaanxi	B) Xinjiang
C) Inner Mongolia	D) Hebei

Answer & Explanation Answer: A) Shaanxi

Explanation:

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Q:

For how many positive integers 'n', $n^{3} - 8 n^{2} + 20 n - 13$ is a prime?

A) 3	B) 2
C) 5	D) 7

Answer & Explanation Answer: A) 3

Explanation:

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Filed Under: Simplification
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Q:

What is the area of this trapezoidal garden? (All measurements are in cm)

A) 60 sq.cm	B) 180 sq.cm
C) 210 sq.cm	D) 240 sq.cm

Answer & Explanation Answer: D) 240 sq.cm

Explanation:

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Filed Under: Area
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Q:

A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:

A) Rs.2000	B) Rs.10000
C) Rs.15000	D) Rs.20000

Answer & Explanation Answer: C) Rs.15000

Explanation:

Principal = $R s (\frac{100 \times 5400}{12 \times 3}) = R s . 15000$

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Filed Under: Simple Interest
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174 71343

Q:

How many molecules are present in one mole of water?

A) 6.02 x 1023 molecules	B) 6.02 x 1026 molecules
C) 8.02 x 1022 molecules	D) 7.02 x 1023 molecules

Answer & Explanation Answer: A) 6.02 x 1023 molecules

Explanation:

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Filed Under: Chemistry
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Q:

Find the missing number in the given number series?

2676, 445, ?, 21,6, 2, 1

A) 88	B) 92
C) 96	D) 102

Answer & Explanation Answer: A) 88

Explanation:

The given number series 2676, 445, ?, 21,6, 2, 1 follows a pattern that,

From right side,

1

1 x 1 + 1 = 2

2 x 2 + 2 = 6

6 x 3 + 3 = 21

21 x 4 + 4 = 88

88 x 5 + 5 = 445

445 x 6 + 6 = 2676

Hence the missing number in the given number series is 88.

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Filed Under: Odd Man Out
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