Probability: CBSE Test Paper -1 1. The probability of getting bad egg in a lot of 400 is 0.035.Then find the no. of bad eggs in the lot. [ans.14] 2. Write the probability of a sure event. [ans.1] 3. What is the probability of an impossible event. [ans.0] 4. When a dice is thrown, then find the probability of getting an odd number less than 3. [ans.1/6] 5. A girl calculates that the probability of her winning the third prize in a lottery is 0.08.If 6000 tickets are sold, how many ticket has she brought. [Ans.480] 6. What is probability that a non-leap year selected at random will contain 53 Sundays. [Ans.1/7] 7. A bag contains 40 balls out of which some are red, some are blue and remaining are black. If the probability of drawing a red ball is 11/20 and that of black ball is 1/5, then what is the no. of black ball. [Ans.10] 8. Two coins are tossed simultaneously. Find the probability of getting exactly one head. [Ans 1/2] 9. A card is drawn from a well suf...
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