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

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Question 1

Probability
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Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.1

Question 2

Probability
Edit

Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.

Question 3

Probability
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Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.None of the above

Question 4

Probability
Edit

Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.Question does not provide sufficient data or is vague

Question 5

Probability
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Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.None of the above

Question 6

Probability
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Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.

Question 7

Probability
Edit

Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.All of the above