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 2 digital no. it is a perfect square no.
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Answer 1

MARK ME AS THE BRAINLIEST

Answer:

1/15

Step-by-step explanation:

total no.of 2 digit no.s which are also perfect squares = 6

Therefore, probability = 6/90

= 2/30

= 1/15

HOPE IT IS USEFUL

Answer 2

Answer:

i think 2/27

Step-by-step explanation:

2 digit sq no. are up to 90:- 16,25,36,49,64,81.

total 2digit no. are 81

so no.of total squares are 6

no.of total 2 digit are 81

so probability is 6/81 i.e 2/27