Quiz – 1

Hello PrepSter,

If you find any errors in the quiz below kindly comment in the comment section and we will make it our priority to fix it.

Also if you have a better of the solution to the questions, please do comment them below and if we find it better than ours, we will post it in our website.

Question 1

Time: 00:00:00
In a throw of coin what is the probability of getting head.

1

1

1/2

1/2

2

2

3

3

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 2

Time: 00:00:00
Two unbiased coins are tossed. What is probability of getting at most one tail ?

3/6

3/6

3/7

3/7

3/5

3/5

3/4

3/4

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 3

Time: 00:00:00
Three unbiased coins are tossed, what is the probability of getting at least 2 tails ?

1/4

1/4

1/6

1/6

1/2

1/2

1/8

1/8

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 4

Time: 00:00:00
In a throw of dice what is the probability of getting number greater than 5

1/3

1/3

1/4

1/4

1/2

1/2

1/6

1/6

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 5

Time: 00:00:00
What is the probability of getting a sum 9 from two throws of dice.

1/3

1/3

1/9

1/9

2/6

2/6

3/4

3/4

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 6

Time: 00:00:00
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?

3/4

3/4

4/5

4/5

4/7

4/7

3/7

3/7

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 7

Time: 00:00:00
In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green?

7/13

7/13

8/21

8/21

4/15

4/15

5/21

5/21

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 8

Time: 00:00:00
From a pack of 52 cards, 1 card is drawn at random. Find the probability of a face card drawn.

3/13

3/13

4/14

4/14

5/16

5/16

7/14

7/14

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 9

Time: 00:00:00
A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. The probability that at least one of these is defective is

7/19

7/19

2/14

2/14

3/15

3/15

4/17

4/17

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 10

Time: 00:00:00
A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident

25%

25%

35%

35%

45%

45%

55%

55%

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]