Statistics & Probability (IMO- Mathematics Olympiad Class 10): Questions 6 - 11 of 80

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Question number: 6

» Statistics & Probability

MCQ▾

Question

The king, queen and jack of clubs are removed from a deck of 52 playing cards and then well-shuffled. One card is selected from the remaining cards. The probability of getting a club is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 7

» Statistics & Probability

MCQ▾

Question

When two dice are thrown, the probability of getting a number always greater than 4 on the second dice is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 8

» Statistics & Probability

MCQ▾

Question

Two dices are thrown simultaneously. The probability of getting sum of atleast 11 is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 9

» Statistics & Probability

MCQ▾

Question

The mean of 20 observations is Equation . By error, one observation was noted as Equation was misread as 42. Then the correct mean is ________

Choices

Choice (4) Response

a.

26.5

b.

28.3

c.

29.5

d.

21.5

Question number: 10

» Statistics & Probability

MCQ▾

Question

A Motor maintains an average speed of 60 km/hr while going from P to Q and maintains an average speed of 90 km/hr while coming back from Q to P. the average speed of the motor is ________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 11

» Statistics & Probability

MCQ▾

Question

A die is thrown once. The probability of getting a number 3 or 4 is ________

Choices

Choice (4) Response

a.

0

b.

Equation

c.

1

d.

Equation

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