Q5 Q9 and Q10 .:

5. Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from the box. Find the probability that the number. 
 

Dear Student!

Your question is not completely visible. I am solving, "card with numbers 2-101 are placed in a box . a card is selected at random from the box. find the probablity the card which is selected has a number which is a perfect square"

Total number of cards in the box = 100

Let A be the event of getting a number which is a perfect square.

Elementary events favourable to the event A are 4, 9, 16, 25, 36, 49, 64, 81 and 100.

∴ Number of cases in favour of the event A = 9

We know that,

Cheers!