Exams Questions and Answers

Q:

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 4 or 15 ?

A) 6/19	B) 3/10
C) 7/10	D) 6/17

Answer & Explanation Answer: B) 3/10

Explanation:

Here, S = {1, 2, 3, 4, ...., 19, 20}=> n(s) = 20
Let E = event of getting a multiple of 4 or 15
=multiples od 4 are {4, 8, 12, 16, 20}
And multiples of 15 means multiples of 3 and 5
= {3, 6 , 9, 12, 15, 18, 5, 10, 15, 20}.
= the common multiple is only (15).
=> E = n(E)= 6
Required Probability = P(E) = n(E)/n(S) = 6/20 = 3/10.

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Filed Under: Probability
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6 4520

Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

79, 159, 199, 219, ?

A) 229	B) 234
C) 239	D) 222

Answer & Explanation Answer: A) 229

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

2 4519

Q:

The probability that a bowler bowled a ball from a point will hit by the batsman is ¼. Three such balls are bowled simultaneously towards the batsman from that very point. What is the probability that the batsman will hit the ball ?

A) 37/64	B) 27/56
C) 11/13	D) 9/8

Answer & Explanation Answer: A) 37/64

Explanation:

Probability of not hitting the ball = 1- 1/4 = IBPS RRB Clerk Level Quiz : Quantitative Aptitude | 11 -09 - 17
Then, the probability that the batsman will hit the ball =

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Filed Under: Probability
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14 4516

Q:

$If \sqrt{3} = 1.732, then what is the value of (\sqrt{3} - \frac{10}{\sqrt{3}} + \sqrt{27}) ?$

A) 1.154	B) 1.577
C) 1.464	D) 2.358

Answer & Explanation Answer: A) 1.154

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 4516

Q:

A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ?

A) 7	B) 8
C) 9	D) 10

Answer & Explanation Answer: A) 7

Explanation:

As the work is same
M1D1 = M2D2

Here Let the number of men employed was M
=> 11M = 7(M+4)
=> 11M - 7M = 28
=> M = 7

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Filed Under: Time and Work
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4 4514

Q:

Who became the first Asian women to sail around the world ?

A) Golda Meir	B) Ujwala Patil
C) Cleopatra	D) Sirimavo Bandaranaike

Answer & Explanation Answer: B) Ujwala Patil

Explanation:

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Filed Under: Famous Personalities
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8 4512

Q:

When a discount of 25% is given on a wedding gown, the profit is 32%. If the discount is 17%, then the profit is _____%.

A) 46.08	B) 49
C) 51.03	D) 43.16

Answer & Explanation Answer: A) 46.08

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

8 4512

Q:

How many member countries did the UNO have on its formation in 1945 ?

A) 45	B) 51
C) 48	D) 54

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