Entry Test MCQ :: Probability

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21.

The probability that an egg will be broken during delivery from a supermarket to KIPS is 1/200. How many broken eggs would be there out of 800 eggs?

A.	50	B.	30
C.	10	D.	4

22.

In a light bulb factory it is found that the probability of a bulb being defective is 0.12 estimate how many defective bulbs there would be in 1000 bulb.

A.	12	B.	120
C.	102	D.	1000

23.

When a dice is rolled the probability of a number which is even and greater than 4.

A.	0	B.	1?4
C.	1?6	D.	1?9

24.

A bag containing 4 white balls 3 black and 5 blue balls. What is the probability of getting blue or black ball?

A.	1?6	B.	2?3
C.	5?12	D.	3?5

25.

A bag contains 30 balls the probability of drawing a pink ball and white ball are 1/5 and 1/6 resp. What is the probability of black balls?

A.	8?15	B.	1?2
C.	17?30	D.	19?30

26.

A boy buys crates of drink at Rs. 75 per crate and sells each for Rs. 90. What is the expected profit per crate, if probability of sale is 5/6?

A.	12.5	B.	15
C.	17.5	D.	20

27.

In above question what is the expected loss to the poor boy if it is not sold or returned back?

A.	20	B.	17.5
C.	15	D.	12.5

28.

The probability that your friend was born in January June or July is 1/4 what is the probability that he was not born in a month that starts with letter J?

A.	1?4	B.	1?2
C.	3?4	D.	1

29.

The probability that a certain team wins a football match is 0.7 the probability of a lie is 0.1 what is the probability of the team losing?

A.	1?7	B.	1?5
C.	7?10	D.	2?3

30.

Pakistan is playing a cricket match against Australia. If the probability that Pakistan will win is 4/11 and that of Australia will win is 2/11. What is the probability that match will be draw.

A.	5?11	B.	6?11
C.	9?11	D.	10?11