A card is drawn at random from a pack of 100 cards numbered 1 to 100. The probability of drawing a number which is a square is a. 1/5            b. 2/5            c. 1/10          d. none of these

Explanation

Card number which is a square in a pack of 100 cards
numbered `1` to `100` is: `1,4,9,16,25,36,49,64,81,100

=10` cases

Probability for this case will be=`(10)/(100)​=1/(10)​`