Probability Chapter 14 Exercise 14.1 Q No 18 and 20 CBSE Class 10 Maths
Автор: YPS Academic Solutions
Загружено: 2026-01-14
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Q 18: a box contains discs which are numbered from 1 to 90 . if one disc is drawn at random from the box, find the probability that it bears (i) a two digit number (ii) a perfect square number (iii) a number divisible by 5.
Q 20: suppose , you drop a die at random on the rectangular region shown in the figure. what is the probability that it will land inside the circle of diameter 1 m ?
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