Mathematics-Probability [NSTSE (National Science Talent Search Exam- Unified Council) Class 10]: Questions 1 - 8 of 50

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Question number: 1

» Mathematics » Probability

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Question

If a coin is tossed twice, the probability of getting at least one head is

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 2

» Mathematics » Probability

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In a throw of a dice, the probability of getting an even number is

Choices

Choice (4)Response

a.

b.

6

c.

d.

2

Question number: 3

» Mathematics » Probability

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Question

The probability of getting an odd number when a die is rolled is

Choices

Choice (4)Response

a.

b.

c.

d.

2

Question number: 4

» Mathematics » Probability

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The probability that in a family of 2 children, there will be at least one boy is

Choices

Choice (4)Response

a.

1

b.

c.

d.

Question number: 5

» Mathematics » Probability

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Question

Two dice are thrown at a time. The probability that the difference of the numbers shown on the dice is 3 is

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 6

» Mathematics » Probability

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Question

Two numbers are chosen from 2 to 8. The probability for the two numbers to be consecutive is

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Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 7

» Mathematics » Probability

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A card is drawn from a packet of 150 cards numbered 1 to 150. The probability of drawing a number which is a square is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 8

» Mathematics » Probability

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Question

The probability for a randomly selected number out of 51,52,53,54, …. , 80 to be a prime number is

Choices

Choice (4)Response

a.

b.

c.

d.

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