Exams Questions and Answers

Q:

Which of the following pairs is INCORRECT?

I. Haematite : Iron

II. Pitchblende : Copper

III. Monazite : Thorium

A) Only I	B) Only II
C) Only I and Only II	D) Only I and Only III

Answer & Explanation Answer: B) Only II

Explanation:

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Filed Under: Chemistry
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0 50195

Q:

$Sinθ Cos (90 - θ) + Cosθ Sin (90 - θ) =$

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

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Simplification
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0 50195

Q:

Find the odd man out of the following number series?

22, 26, 42, 78, 142, 244

A) 244	B) 142
C) 78	D) 42

Answer & Explanation Answer: A) 244

Explanation:

The given number series 22, 26, 42, 78, 142, 244 follows a pattern that,

$22 22 + 2^{2} = 22 + 4 = 26 26 + 4^{2} = 26 + 16 = 42 42 + 6^{2} = 42 + 36 = 78 78 + 8^{2} = 78 + 64 = 142 142 + 10^{2} = 142 + 100 = 242$

Hence, the odd one in the given number series is 244.

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Filed Under: Odd Man Out
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3 50160

Q:

A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 75 paise per sq m is

A) Rs. 258	B) Rs. 358
C) Rs. 458	D) Rs. 558

Answer & Explanation Answer: D) Rs. 558

Explanation:

Area to be plastered = $[2 (l + b) \times h] + (l \times b)$

= $[2 (25 + 12) \times 6] + (25 \times 12) = 744 s q . m$

Cost of plastering = $744 \times \frac{75}{100} = R s . 558$

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Filed Under: Area
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Job Role: Bank PO

79 50126

Q:

Select the odd figure out of the following series.

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

Answer & Explanation Answer: A) 3

Explanation:

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Filed Under: Odd Man Out
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Q:

Which group in the modern periodic table contains elements that are inert gases?

A) Group 16	B) Group 18
C) Group 17	D) Group 15

Answer & Explanation Answer: B) Group 18

Explanation:

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

1 50055

Q:

Select the related word/letters/number from the given alternatives.

17 : 493 : : ? : 551

A) 13	B) 21
C) 19	D) 23

Answer & Explanation Answer: C) 19

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

0 50046

Q:

ΔDEF is right angled at E. If cosecD = 25/24, then what is the value of cosF ?

A) 25/7	B) 24/7
C) 24/25	D) 7/24

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