Question

Cards marked with number $2$ to $101$ are placed in a box and mixed thoroughly. One card is drawn from this box. Find the probability that the number of the card is a number which is a perfect square.

Answer 1

We have,

Cards marked with number 2 to 101 are placed in a box.

Total number of cards $=100$

Even cards$=50$

Odd cards$=50$

Number of cards Perfect square : $4,9,16,25,36,49,64,81,100$

Number of cards perfect square$=9$

Then,

According to given question,

Probability of cards Perfect square $=\frac{9}{100}$

Hence, this is the answer.