Bank PO Questions and Answers with Explanation, Job Roles

Q:

The percentage increase in the area of a rectangle, if each of its sides is increased by 20%

A) 22%	B) 33%
C) 44%	D) 55%

Answer & Explanation Answer: C) 44%

Explanation:

Let original length = x metres and original breadth = y metres.

Original area = xy sq.m

Increased length = $\frac{120}{100}$ and Increased breadth = $\frac{120}{100}$

New area = $\frac{120}{100} x * \frac{120}{100} y = \frac{36}{25} x y m^{2}$

The difference between the Original area and New area is:

$\frac{36}{25} x y - x y$

$\frac{11}{25} x y$ Increase % = $(\frac{\frac{11}{25} x y}{x y}) * 100$ = 44%

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

108 68551

Q:

Choose the Antonym of the following word

'Autonomy'

A) Antipathy	B) Dependence
C) Antruism	D) Animation

Answer & Explanation Answer: B) Dependence

Explanation:

'Autonomy' means personal independence. Hence, the word 'dependence' is farthest in meaning to the given word 'Autonomy'.

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Filed Under: Alphabet Test
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

17 68384

Q:

Find the next number in the series

143 143 136 110 ?

A) 91	B) 35
C) 47	D) 69

Answer & Explanation Answer: C) 47

Explanation:

The next number in the series is

143 143 136 110

0 7 26 (Differences)

$1^{3} - 1, 2^{3} - 1, 3^{3} - 1, 4^{3} - 1, . . . Now the next number is given by 110 - (4^{3} - 1) = 110 - 63 = 47 .$

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

8 67880

Q:

An air conditioner can cool the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ?

A) 18 minutes	B) 19 minutes
C) 22 minutes	D) 24 minutes

Answer & Explanation Answer: C) 22 minutes

Explanation:

Let the two conditioners be A and B

'A' cools at 40min

'B' at 45min

Together = (a x b)/(a + b)

= (45 x 40)/(45 + 40)

= 45 x 40/85

= 21.1764

= 22 min (approx).

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Filed Under: Time and Work
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

92 67610

Q:

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is :

A) 9.5 km/hr	B) 10 km/hr
C) 10.5 km/hr	D) 11 km/hr

Answer & Explanation Answer: B) 10 km/hr

Explanation:

Man's rate in still water = (15 - 2.5) km/hr = 12.5 km/hr.

Therefore, Man's rate against the current = (12.5 - 2.5) = 10 km/hr.

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Filed Under: Problems on Trains
Exam Prep: CAT
Job Role: Bank PO

109 67549

Q:

What will come in place of question mark (?) in the following number series?

4, 3, 4, 7, 15, ?

A) 42	B) 44
C) 53	D) 56

Answer & Explanation Answer: B) 44

Explanation:

4 3 4 7 15 ?
×1-1 ×1+1 ×2-1 ×2+1 ×3-1

15x3 - 1 = 45 - 1 = 44

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Filed Under: Odd Man Out
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

8 67015

Q:

What is the next number of the following sequence ?

21, 77, 165, 285, ......

A) 404	B) 415
C) 426	D) 437

Answer & Explanation Answer: D) 437

Explanation:

The series follow the rule,

21 = $5^{2}-4$
77 = $9^{2} - 4$
165 = $13^{2} - 4$
285 = $17^{2} - 4$

5,9,13,17,21,(+4)...
In the same way next no. will be
$21^{2} - 4$ = 441 - 4 = 437

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Filed Under: Number Series
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

50 66965

Q:

A salesman gets commission on total sales at 9%. If the sale is exceeded Rs.10,000 he gets an additional commission as bonus of 3% on the excess of sales over Rs.10,000. If he gets total commission of Rs.1380, then the bonus he received is:

A) Rs.180	B) Rs.120
C) Rs.480	D) data insufficient

Answer & Explanation Answer: B) Rs.120

Explanation:

Commission up to 10000 = $\frac{10000 x 9}{100}$ = 900

Again after 10000,

Commission : Bonus

9 : 3

3x : x

Therefore, Bonus = $(1380 - 900) \times \frac{1}{4} = R s . 120$

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

247 66406

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