Question

a box contains 90 discs whcich are numbered from 1 to 90 if one disc is drawn at random from the box find prob that it is a perfect square no.
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Answer 1

Answer:

9/90=1/10

Step-by-step explanation:

No.of disc having perfect square no is 9

Total number of disc is 90

so probability is 9/90 means 1/10