Exams Questions and Answers

Q:

A number is increased by 20% and then decreased by 20%, the final value of the number is ?

A) increase by 2%	B) decrease by 3%
C) decrease by 4%	D) increase by 5%

Answer & Explanation Answer: C) decrease by 4%

Explanation:

Here, x = 20 and y = - 20
Therefore, the net % change in value
= $x + y + \frac{x y}{100}$ %
= $20 + (- 20) + \frac{20 \times - 20}{100}$ % or - 4%

Since the sign is negative, there is a decrease in value by 4%.

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

34 21927

Q:

If the standard deviation of a population is 3, what would be the population variance?

A) 9	B) 6
C) 8	D) 15

Answer & Explanation Answer: A) 9

Explanation:

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Filed Under: Probability
Exam Prep: Bank Exams

10 21920

Q:

Which of the following terms follows the trend of the given list?

aBABABAB, AbABABAB, ABaBABAB, ABAbABAB, ABABaBAB, _______________.

A) ABABABaB	B) ABABAbAB
C) aBABABAB	D) AbABABAB

Answer & Explanation Answer: B) ABABAbAB

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 21920

Q:

Which of the statements given below are correct?

A) In 2017, Michael Carrick captained the Premier League team Manchester United.

B) Sergio García won the Golf 2017 ANA Inspiration.

C) In 2018 IPL auctions, Kolkata Knight Riders retained Axar Patel.

A) Only A	B) Both B and C
C) Both A and B	D) None of these

Answer & Explanation Answer: A) Only A

Explanation:

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Filed Under: Sports
Exam Prep: Bank Exams

0 21919

Q:

The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ?

A) Rs. 22.5	B) Rs. 2.5
C) Rs. 202	D) Rs. 25

Answer & Explanation Answer: A) Rs. 22.5

Explanation:

We know that I = PTR/100
=> P = 20250/4.5 = 4500
Now, new Interest at 5% = 4500x1x5/100 = 225
Now the additional amount = 225 - 202.5 = Rs. 22.5

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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18 21916

Q:

If a mirror is placed on the line MN, then which is the right image of the given figure?

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

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Filed Under: Image Analysis
Exam Prep: Bank Exams

1 21903

Q:

Which of the statements given below are correct?

A) In 2018 IPL auctions, Delhi Daredevils retained Rishabh Pant.

B) In 2017, Daniel Ricciardo raced in Formula One for Red Bull Racing.

C) Lewis Hamilton won the Formula One 2017 Malaysian Grand Prix

A) Only A	B) A and C
C) B and C	D) A and B

Answer & Explanation Answer: D) A and B

Explanation:

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Filed Under: Sports
Exam Prep: Bank Exams

0 21890

Q:

A,B and C enter into a partnership in the ratio $\frac{7}{2} : \frac{4}{3} : \frac{6}{5}$ . After 4 months, A increases his share by 50%. If the total profit at the end of one year be Rs. 21600, then B's share in the profit is :

A) Rs. 4000	B) Rs. 6000
C) Rs. 9000	D) Rs. 3000

Answer & Explanation Answer: A) Rs. 4000

Explanation:

Given ratio of initial investments = $\frac{7}{2} : \frac{4}{3} : \frac{6}{5}$ = 105 : 40 : 36.

Let the initial investments be 105x, 40x and 36x.

$∴ A : B : C = (105 x \times 4 + \frac{150}{100} \times 105 x \times 8) : (40 x \times 12) : (36 x \times 12)$

= 1680x : 480x : 432x = 35 : 10 : 9.

Hence, B's share = $(21600 \times \frac{10}{54})$ = Rs. 4000.

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Filed Under: Partnership
Exam Prep: CAT
Job Role: Bank PO

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