# 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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MCQ▾

### 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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MCQ▾

### Question

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

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Choice (4)Response

a.

b.

6

c.

d.

2

## Question number: 3

» Mathematics » Probability

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MCQ▾

### 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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MCQ▾

### Question

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

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Choice (4)Response

a.

1

b.

c.

d.

## Question number: 5

» Mathematics » Probability

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MCQ▾

### Question

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

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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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MCQ▾

### 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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MCQ▾

### Question

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

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Choice (4)Response

a.

b.

c.

d.

## Question number: 8

» Mathematics » Probability

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MCQ▾

### 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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