Statistics & Probability (IMO- Mathematics Olympiad (SOF) Class 10): Questions 13 - 19 of 80

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Question number: 13

» Statistics & Probability

MCQ▾

Question

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

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Choice (4) Response

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b.

c.

d.

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 ________

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Choice (4) Response

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b.

c.

d.

Question number: 15

» Statistics & Probability

MCQ▾

Question

If occur with frequencies 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 ________

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Choice (4) Response

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c.

d.

Question number: 17

» Statistics & Probability

MCQ▾

Question

The mean weight of a class of 39 students is 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 ________.

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Choice (4) Response

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d.

Question number: 19

» Statistics & Probability

MCQ▾

Question

A bag contains 5 Green, 4 Aqua, 9 Blue and 6 purple marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is Aqua or Purple, is ________

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Choice (4) Response

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b.

c.

d.

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