Statistics & Probability (IMO- Mathematics Olympiad Class 10): Questions 12 - 18 of 80

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Question number: 12

» Statistics & Probability

MCQ▾

Question

The mean of 12,54,38,716and832, is ________

Choices

Choice (4) Response

a.

516

b.

916

c.

165

d.

169

Question number: 13

» Statistics & Probability

MCQ▾

Question

Two dices are thrown simultaneously. The probability of getting the odd against getting the sum 6 is ________

Choices

Choice (4) Response

a.

315

b.

511

c.

311

d.

125

Question number: 14

» Statistics & Probability

MCQ▾

Question

Two dice are thrown at a time. The probability that the difference of the numbers shown on the dice is 1 is ________

Choices

Choice (4) Response

a.

118

b.

136

c.

518

d.

16

Question number: 15

» Statistics & Probability

MCQ▾

Question

If 6,4,8and3 occur with frequencies 4,2,5and1 respectively, then the arithmetic mean is ________

Choices

Choice (4) Response

a.

6

b.

6.75

c.

6.5

d.

6.25

Question number: 16

» Statistics & Probability

MCQ▾

Question

A card is drawn from a packet of 50 cards numbered 1 to 50. The probability of drawing a number which is a square is ________

Choices

Choice (4) Response

a.

750

b.

425

c.

325

d.

150

Question number: 17

» Statistics & Probability

MCQ▾

Question

The mean weight of a class of 39 students is 50 kg. if the weight of the teacher is included, the mean rises by 500 g. Then the weight of the teacher is ________

Choices

Choice (4) Response

a.

65 kg

b.

44 kg

c.

70 kg

d.

95 kg

Question number: 18

» Statistics & Probability

MCQ▾

Question

A Bus maintains an average speed of 50 km/hr while going from A to B and maintains an average speed of 80 km/hr while coming back from B to A. the average speed of the bus is ________.

Choices

Choice (4) Response

a.

54kmhr

b.

62kmhr

c.

74kmhr

d.

84kmhr

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