Mathematics-Probability [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 7 of 36

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Question number: 1

» Mathematics » Probability

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

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Choice (4)Response

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1

Question number: 2

» Mathematics » Probability

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A card is drawn from a packet of 120 cards numbered 1 to 120. The probability of drawing a number which is a square is

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Question number: 3

» Mathematics » Probability

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If a coin is tossed thrice, the probability of getting at least one tail is

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Choice (4)Response

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None of the above

Question number: 4

» Mathematics » Probability

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The probability of three coins falling two tails and one head when tossed simultaneously is

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Question does not provide sufficient data or is vague

Question number: 5

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Two numbers are chosen from 13 to 21. The probability for the two numbers to be consecutive is

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Choice (4)Response

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None of the above

Question number: 6

» Mathematics » Probability

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A container contains 7 red and 11 yellow marbles. If a marble is drawn at random, the probability that the drawn marble to yellow is

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Question number: 7

» Mathematics » Probability

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The probability that a consonant selected at random in English language is a ‘m’ is

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Choice (4)Response

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All of the above

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