Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly. One card is drawn from the box. Find the probability that the number on the card is :
not a perfect square

Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly. One card is drawn from the box. Find the probability that the number on the card is : multiple of 3 and 5

Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly. One card is drawn from the box. Find the probability that the number on the card is : a composite number

Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly. One card is drawn from the box. Find the probability that the number on the card is : divisible by 3

Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box. Find the probability that the number on the card is: (i) a number which is a perfect square (ii) a prime number less than 20.

Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box. Find the probability that the number on the card is: (i)a number which is a perfect square (ii) a prime number less than 20.

Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly.One card is drawn from this box.Find the probability that the number on the card is: a number which is a perfect square (ii) a prime number less than 20.

Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box. Find the probability that the number on the card is: (i) an even number (ii) a number less than 14

Cards marked with the numbers 2 to101 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 prime number less than 25.

Cards numbered 5,6,7, . . ,74 are placed in a bag and mixed thoroughly. One card is drawn at random. Find the probability that the number on the card is a perfect square.