Statistics & Probability (IMO- Mathematics Olympiad Class 10): Questions 30 - 35 of 80

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Question number: 30

» Statistics & Probability

MCQ▾

Question

One card is drawn from a well-shuffled deck of 52 cards the probability of drawing an ace is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 31

» Statistics & Probability

MCQ▾

Question

A bag contains 15 balls of two different colours, out of which x are Pink. One ball is drawn at random. If 5 more Pink balls are put in the bag, the probability of drawing a Pink ball now will be double that of the previous probability of drawing a Pink ball. Then, the value of x is ________

Choices

Choice (4) Response

a.

6

b.

3

c.

5

d.

4

Question number: 32

» Statistics & Probability

MCQ▾

Question

The mean of Equation is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 33

» Statistics & Probability

MCQ▾

Question

One card is drawn from a well-shuffled deck of 52 cards the probability of neither a Club nor a king is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 34

» Statistics & Probability

MCQ▾

Question

The mean of six numbers is 15. If one number is excluded, then their mean is 17, the excluded number is ________

Choices

Choice (4) Response

a.

7

b.

4

c.

1

d.

5

Question number: 35

» Statistics & Probability

MCQ▾

Question

Two dice are thrown at a time. The probability that the difference of the numbers shown on the dice is 2 is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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