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

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## Question 1

### Question

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

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d. | 1 |

## Question 2

### 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

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## Question 3

### Question

MCQ▾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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d. | None of the above |

## Question 4

### Question

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

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d. | Question does not provide sufficient data or is vague |

## Question 5

### Question

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

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d. | None of the above |

## Question 6

### 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

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d. |

## Question 7

### Question

MCQ▾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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d. | All of the above |