Exams Questions and Answers

Q:

How many number of weights do you need to weight 31 kg of Rice if you have one kg of weight stone ?

A) 3	B) 5
C) 7	D) 9

Answer & Explanation Answer: B) 5

Explanation:

There are total 5 ways.
we have only one kg of weight so,
2kg = 1kg + 1kg
4kg = 1 + 2 + 1
8kg = 1 + 2 + 4 + 1
16kg = 1 + 2 + 4 + 8 + 1
31kg = 1 + 2 + 4 + 8 + 16
So 5 weights are needed.

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Filed Under: Arithmetical Reasoning
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11 6173

Q:

Poison glands of snakes are homologous to

A) sebaceous glands of mammals	B) salivary glands of vertebrates
C) stings of rays	D) electric organs of fishes

Answer & Explanation Answer: B) salivary glands of vertebrates

Explanation:

Here Homologous Means having the same relation or relative position or structure.

Here in snakes poison is in glands and here salivary glands are in Vertebrates.

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Filed Under: Biology
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13 6172

Q:

If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

A) 75%	B) 65%
C) 35%	D) 25%

Answer & Explanation Answer: A) 75%

Explanation:

let original radius = r and new radius = (50/100) r = r/2

original area = ${πr}^{2}$ and new area = $π {(r / 2)}^{2}$

decrease in area = $3 {πr}^{2} / 4$ * $\frac{1}{{πr}^{2}}$ *100 = 75%

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

0 6169

Q:

Improve the bracketed part of the sentence.

You discover that either your medi-claim doesn't cover (their) expenses or that you won't get reimbursed because there was no hospitalization.

A) your	B) our
C) mine	D) No improvement

Answer & Explanation Answer: A) your

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 6165

Q:

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

___ utt ___ tt ___ ttu ___

A) t t u t	B) t u t t
C) t u u t	D) t t t u

Answer & Explanation Answer: C) t u u t

Explanation:

t, u, u and t.

The sequence is : tut tut tut tut.

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Filed Under: Alphabet Test
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8 6163

Q:

Which of the following hormones has intracellular receptors?

A) cortisol.	B) insulin.
C) epinephrine.	D) none

Answer & Explanation Answer: A) cortisol.

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

0 6163

Q:

The court language during the reign of Akbar was _____ ?

A) Urdu	B) Persian
C) Arabic	D) Hindi

Answer & Explanation Answer: B) Persian

Explanation:

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Filed Under: Indian History
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13 6162

Q:

An increase in the money supply will cause interest rates to ___________.

A) rise	B) fall
C) remain unchanged	D) No option is correct.

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