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NCERT Class-9 Maths Chapter-15: Probability

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               (consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-9 Maths Chapter-15:Probability  Questions with step-by-step answers Exercise-15.1 1. In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary.   2. 1500 families with 2 children were selected randomly, and the following data were recorded: Compute the probability of a family, chosen at random, having                                       (i) 2 girls (ii) 1 girl (iii) No girl                                                                                                       Also check whether the sum of these probabilities is 1. 3. Refer to Example 5, Section 14.4, Chapter 14. Find the probability that a student of the class was born in August.   4. Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes: If the three coins are simultane

NCERT Class-9 Maths Chapter-13: Surface Area and Volume

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               (consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-9 Maths Chapter-13:Surface Area and Volume  Questions with step-by-step answers Exercise-13.1 Answers:- Exercise-13.2 Answers:- Exercise-13.3 Answers:- Exercise-13.4 Answers:- Exercise-13.5 Answers:- Exercise-13.6 Answers:- Exercise-13.7 Answers:- Exercise-13.8 Answers:- Exercise-13.9 (Optional) Answers:-