Exams Questions and Answers

Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero.	B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1.	D) Hydrogen can have more than one oxidation number.

Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

A wholesaler purchased 7 hair clips for a rupee. How many for a rupee must he sell to get profit of 40%.

A) 6	B) 5
C) 4	D) 3

Answer & Explanation Answer: B) 5

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

A) 50%	B) 25%
C) 100%	D) 75%

Answer & Explanation Answer: B) 25%

Explanation:

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the

A) 11 – 16	B) 13 – 18
C) 36 – 41	D) 23 – 26

Answer & Explanation Answer: D) 23 – 26

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Which of the following numbers is not composite?

A) 209	B) 203
C) 161	D) 109

Answer & Explanation Answer: D) 109

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Rearrange the jumbled letters to make meaningful words and then select the one which is different.

A) Lowely	B) IFER
C) THIWE	D) WRONB

Answer & Explanation Answer: B) IFER

Explanation:

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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

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Q:

If $∆ ○ = 52, □ # = 43 . What is # ∆ □ = ?$

A) 523	B) 243
C) 432	D) 354

Answer & Explanation Answer: D) 354

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

On 9 January 2018, the Companies (Amendment) Act, 2017 amended some provisions of ______.

A) Companies Act, 1956	B) Companies Act, 2011
C) Companies Act, 2013	D) Companies Act, 2014

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