Probability — Practice Quiz
ICSE · Class 8 · Mathematics
Try a 4-question quiz on Probability for ICSE Class 8 Mathematics: tap an answer to check it and see why. 84 questions in the full chapter test.
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Quick Quiz: Probability
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A coin is tossed twice. What is the probability of getting exactly one tail?
A bag contains 4 red, 6 black, and 5 white balls. What is the probability of drawing a ball that is not black or red?
A letter is chosen from the word TRIANGLE. What is the probability of choosing a consonant?
Three coins are tossed. What is the probability of getting at least one tail?
Sample Questions
Two coins are tossed together. What is the probability of getting no tail?
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1/4
The 4 outcomes are HH, HT, TH, TT. No tail means HH only. Favourable outcomes = 1, total outcomes = 4. Probability = 1/4.
A bag contains 4 red, 6 black, and 5 white balls. What is the probability of drawing a red or black ball?
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2/3
Total balls = 4 + 6 + 5 = 15. Red or black balls = 4 + 6 = 10. Probability = 10/15 = 2/3.
A coin is tossed three times. What is the probability of getting exactly two tails?
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3/8
Three tosses give 8 outcomes. Exactly two tails occur in HTT, THT, and TTH. Favourable outcomes = 3. Probability = 3/8.
A die is thrown twice. What is the probability of getting 36 possible ordered outcomes in total and a first throw of 6 with any second throw?
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1/6
Two throws of a die give 36 ordered outcomes. If the first throw is 6, the second can be any of 6 numbers, so favourable outcomes = 6. Probability = 6/36 = 1/6.
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