Solution - Probability Examples and Solutions



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Rahim tosses two different coins simultaneously. Find the probability of getting at least one tail.


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If two different dice are rolled together, the probability of getting an even number on both dice, is:

(A) 1/36
(B) 1/2
(C) 1/6
(D) 1/4

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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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A card is drawn at random from a well shuffled pack of 52 playing cards. Find the probability of getting neither a red card nor a queen.

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A game of chance consists of spinning an arrow on a circular board, divided into 8 equal parts, which comes to rest pointing at one of the numbers 1, 2, 3, ..., 8 (Fig. 9), which are equally likely outcomes. What is the probability that the arrow will point at (i) an odd number (ii) a number greater than 3 (iii) a number less than 9.

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A die is thrown, then find the probability of the following events:
A is an Event: getting an odd number on the top upper surface of the die.
B is an Event: getting a perfect square on the upper surface of the die.

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Reference Material

Solution for concept: Probability Examples and Solutions. For the course 8th-10th CBSE