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Solution - Probability Examples and Solutions

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Question

If two coins are tossed, then find the probability of the event that at least one head turns up.

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A bag contains, white, black and red balls only. A ball is drawn at random from the bag.If the probability of getting a white ball is 3/10 and that of a black ball is 2/5 then find the
probability of getting a red ball. If the bag contains 20 black balls, then find the total number of balls in the bag.

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(ii) at least two heads

(iii) at least two tails.

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(i) getting a number greater than 3 on each die

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Solution for concept: Probability Examples and Solutions. For the course 9th - 10th SSC (English Medium)
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