Exams Questions and Answers

Q:

The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field?

A) 20 m	B) 30 m
C) 40 m	D) 50 m

Answer & Explanation Answer: A) 20 m

Explanation:

Let breadth=x meters. Then, Length = $\frac{115 x}{100}$ meters

Given that, $x \times \frac{115 x}{100} = 460$

=> x = 20

Breadth = 20

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

34 27985

Q:

In the following question, select the odd word from the given alternatives.

A) Rain	B) Steam
C) Ice	D) Evaporation

Answer & Explanation Answer: D) Evaporation

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 27965

Q:

Is C2 Paramagnetic or Diamagnetic?

A) Paramagnetic	B) Diamagnetic
C) Ferromagnetic	D) Can't be determined

Answer & Explanation Answer: B) Diamagnetic

Explanation:

Paramagnetic Molecules ::

If the Electronic configuration of a molecule has any unpaired electrons, then that molecule is said to be Paramagnetic.

Diamagnetic Molecules ::

If the Electronic configuration of a molecule has only paired or spin paired electrons, then that molecule is said to be Diamagnetic.

Is_C2_Paramagnetic_or_Diamagnetic1556263140.jpg image

Here the molecule C2 has all paired electrons in its electronic configuration. So C2 is Diamagnetic.

Whereas, B2 molecule has unpaired electrons. So B2 is Paramegnetic.

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Filed Under: Chemistry
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

32 27959

Q:

The difference between the compound interest and the simple interest accrued on an amount of Rs. 18,000 in 2 years was Rs. 405. What was the rate of interest p.c.p.a. ?

A) 12%	B) 13%
C) 14%	D) 15%

Answer & Explanation Answer: D) 15%

Explanation:

Let the rate be R% p.a. Then,

$[1800 {(1 + \frac{R}{100})}^{2} - 1800] - (\frac{1800 * R * 2}{100}) = 405$

$1800 [\frac{{(100 + R)}^{2}}{10000} - 1 - \frac{2 R}{100}] = 405$

$1800 [\frac{{(100 + R)}^{2} - 10000 - 200 R}{10000}] = 405$

$\Leftrightarrow$

$\frac{9}{5} * R^{2} = 405 \Leftrightarrow R^{2} = (\frac{405 * 5}{9}) = 225 \Leftrightarrow R = 15$
Rate = 15%.

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Filed Under: Compound Interest
Exam Prep: Bank Exams
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23 27936

Q:

The Ajanta painting belongs to which period ?

A) Harappan period	B) Gupta period
C) Buddhist period	D) Mauryan period

Answer & Explanation Answer: B) Gupta period

Explanation:

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Filed Under: Indian History
Exam Prep: Bank Exams , CAT
Job Role: Bank PO

88 27928

Q:

Find the missing number in the series.

2, 3, 8, ?, 112, 565

A) 565	B) 112
C) 27	D) 8

Answer & Explanation Answer: C) 27

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

2 27911

Q:

Find the missing (?) in the series.

9, 4, 16, 6, 36, 9, 81, ?

A) 12	B) 10
C) 11	D) 13

Answer & Explanation Answer: D) 13

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

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Q:

Select the option that represents the number of triangles in the following figure.

A) 17	B) 12
C) 15	D) 16

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