find the probability that it bears (i) a two digit number (ii) a perfect square number (iii) a number divisible by 5.

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A box contains 90 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.
06
Oct
A box contains 90 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. A box contains 90 discs which are numbered from 1 to [...]
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Tags: A box contains 90 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. ,