4000+ Latest Bank Exams Questions and Answers with Explanation

Q:

A polygon has 44 diagonals, then the number of its sides are ?

A) 13	B) 9
C) 11	D) 7

Answer & Explanation Answer: C) 11

Explanation:

Let the number of sides be n.

The number of diagonals is given by ⁿC₂ - n

^{Therefore, n}C₂ - n = 44, n>0

ⁿC₂ - n = 44

n²- 3n - 88 = 0

n²-11n + 8n - 88 = 0

n(n - 11) + 8(n - 11) = 0

n = -8 or n = 11.

As n>0, n will not be -8. Therefore, n=11.

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Filed Under: Permutations and Combinations
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25 21478

Q:

Which of the following are capabilities of functions in JavaScript?

A) Accept parameters	B) Return a value
C) Accept parameters and Return a value	D) None of the above

Answer & Explanation Answer: A) Accept parameters

Explanation:

Accept parameters are capabilities of functions in JavaScript.

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Filed Under: Java
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23 21468

Q:

In a competitive exam, the number of passed students was four times the number of failed students. If there had been 35 fewer appeared students and 9 more had failed, the ratio of passed and failed students would have been 2 : 1, then the total number of students appered for the exam ?

A) 175	B) 165
C) 155	D) 145

Answer & Explanation Answer: C) 155

Explanation:

Let the number of failed students be x

=> Number of passed students = 4x

So total number of students was 5x

From the given data,

If total number of students be 5x – 35

=> 4x-35-9/x+9 = 2/1

=> 4x – 44 = 2(x + 9)

=> 4x – 2x = 18 + 44

=> x = 31

Total number = 31×5

= 155

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Filed Under: Ratios and Proportions
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43 21464

Q:

Who wrote the book 'Immortal India' published in 2017?

A) Amish Tripathi	B) Chetan Bhagat
C) Vikram seth	D) Aravind Adiga

Answer & Explanation Answer: D) Aravind Adiga

Explanation:

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Filed Under: Books and Authors
Exam Prep: Bank Exams

4 21460

Q:

Maths Challenge

18664144_1312106528896448_6995063813597220901_n1499145941.jpg image

A) 19	B) 38
C) 22	D) 40

Answer & Explanation Answer: D) 40

Explanation:

To get a pair of black rings 100 percent certain

27 blue + 17 red + 2 black = 40 rings should be taken out

Then only we can get 100 % a pair of black rings.

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Filed Under: Math Puzzles
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58 21459

Q:

3 : 12 :: 5 : ?

A) 17	B) 30
C) 26	D) 32

Answer & Explanation Answer: B) 30

Explanation:

$3 3^{2} + 3 = 12 5 5^{2} + 5 = 30$

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Filed Under: Ratios and Proportions
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80 21450

Q:

What is the measure of an exterior angle of a regular polygon of 6 sides?

A) 45 deg	B) 60 deg
C) 40 deg	D) 36 deg

Answer & Explanation Answer: B) 60 deg

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 21444

Q:

Answer the questions based on the following information.

Six colleagues are sitting in a circle and are facing the center of the circle. Diana is between Puskar and Padma. Priyanka is between Mahesh and Lucky. Puskar and Mahesh are opposite to each other.

Who are the neighbours of Mahesh?

A) Puskar and Diana	B) Diana and Priyanka
C) Priyanka and Padma	D) Lucky and Priyanka

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