Bank PO Questions and Answers with Explanation, Job Roles

Q:

Guess the next number in the given number series?

999, 990, 998, 991, 997, 992, ?

A) 996	B) 1000
C) 999	D) 1001

Answer & Explanation Answer: A) 996

Explanation:

The given number series 999, 990, 998, 991, 997, 992, ?

It follows a pattern that,

999

999 - 9 = 990

990 + 8 = 998

998 - 7 = 991

991 + 6 = 997

997 - 5 = 992

992 + 4 = 996

Hence, the next number in the given number series is 996.

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

8 14966

Q:

A rectangular paper when folded into two congruent parts had a perimeter of 34cm foer each part folded along one set of sides and the same is 38cm. When folded along the other set of sides. What is the area of the paper?

A) 140	B) 150
C) 160	D) 170

Answer & Explanation Answer: A) 140

Explanation:

when folded along the breadth
we have 2(l/2 +b) = 34 or l+2b = 34...........(1)
when folded along the length, we have 2(l+b/2)=38 or 2l+b =38.....(2)
from 1 &2 we get l=14 and b=10
Area of the paper = 14*10 = 140 sq cm

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

7 14963

Q:

Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit

A) Rs.8820	B) Rs.8620
C) Rs.8520	D) Rs.8320

Answer & Explanation Answer: A) Rs.8820

Explanation:

Amount = $R s . [8000 * {(1 + \frac{5}{100})}^{2}]$ =Rs.8820

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

12 14947

Q:

Find the quadratic equations whose roots are the reciprocals of the roots of $2 x^{2} + 5 x + 3$ ?

A) $3 x^{2} + 5 x + 2 = 0$

B) $5 x^{2} + 3 x + 2 = 0$

C) $3 x^{2} - 5 x - 2 = 0$

D) None

A) A	B) B
C) C	D) D

Answer & Explanation Answer: A) A

Explanation:

The quadratic equation whose roots are reciprocal of $2 x^{2} + 5 x + 3 = 0$ can be obtained by replacing x by 1/x.

Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0

=> $3 x^{2} + 5 x + 2 = 0$

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Filed Under: Mathematical Operations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

49 14917

Q:

Find the surface area of a10cm x 4cm x 3cm brick

A) 84	B) 124
C) 164	D) 180

Answer & Explanation Answer: C) 164

Explanation:

surface area = [2(10*4 + 4*3 + 10*3)]sq.cm = 164 sq.cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

22 14897

Q:

A world wide web contains web pages

A) residing in many computers linked together using HTML.	B) with links to other web pages.
C) residing in many computers.	D) created using HTML.

Answer & Explanation Answer: A) residing in many computers linked together using HTML.

Explanation:

A_world_wide_web_contains_web_pages1551768792.jpg image

A world wide web contains web pages residing in many computers linked together using HTML.

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Filed Under: Web Technology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Database Administration , Bank PO , Bank Clerk , IT Trainer , Network Engineer , Project Manager , Software Architect

27 14889

Q:

The Ozone Layer restricts from

A) Infrared Rays	B) Radio waves
C) Ultraviolet Radiation	D) X-Rays and Gamma Rays

Answer & Explanation Answer: C) Ultraviolet Radiation

Explanation:

The Ozone layer which is present in the Earth's atmosphere protects it by restricting from UV or Ultraviolet radiation, the dangerous rays contained by Sun.

the_ozone_layer_restricts_us_from1542267550.jpg image

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Filed Under: General Science
Exam Prep: Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst , Database Administration

51 14873

Q:

A number X is mistakenly divided by 10 instead of being multiplied by 10. What is the percentage error in the result?

A) -99%	B) +99%
C) -100%	D) +100%

Answer & Explanation Answer: A) -99%

Explanation:

By mistake = x/10

Actual value = x * 10

% Change = $\frac{10 x - \frac{x}{10}}{10 x} \times 100 = \frac{99}{100} \times 100$ = 99% (negative)

Since actual value is greater than the wrong value.

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

15 14865

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