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# Mathematics quiz on Probability and Statistics

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Question 1

Two pens are drawn from a box having 10 white and 8 green pens. What is the probability that first is green and second is white?

Question 2

Lalita speaks truth in 75% cases and Ankita speaks truth in 60% cases. Then the probability that at least one person lying is

Question 3

A number is selected from first 350 natural numbers. Then the probability that the number drawn is a perfect cube is

Question 4

Direction: Answer the following questions by selecting the correct/most appropriate options.
A bag contains 3 white, 2 blue and 5 red balls. One ball is drawn at random from the bag. What is the probability that the ball drawn is not red?

Question 5

A bag contains 4 black, 5 yellow and 6 green balls. Three balls are drawn at random from the bag. What is the probability that all of them are yellow?

Question 6

In a singing competition, the points (maximum being 60) allotted to the 15 participants are 60, 52, 42, 40, 43, 44, 46, 46, 45, 42, 41, 40, 46, 48, and 46. What is the mode of the above data?

Question 7

If , and Σfiui = -400 then Question 8

The mean of 25 observations is 36. If the mean of the first 13 observations is 32 and that of the last 13 observations is 39m the 13th observation is:

Question 9

20 students of a class obtained following respective marks out of 100 marks in subject Mathematics:

54, 46, 24, 36, 84, 70, 16, 58, 6, 82, 44, 54, 32, 64, 8, 66, 52, 28, 16 and 30 Grouped frequency distribution table of above will be

Question 10

Table given below represents the number of males and females in a village. Read the following table carefully and answer the following questions: I. Percentage of males in 1951 was:

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