From 200 ticiets marked with the first 200 natural numbers, one is drawn at random , find the probability that it is multiple of 3 or 7.

From 25 tickets , marked with the first 25 numberals , one is drawn at random . Find the probalility that it is a multiple of 3 or 7.

From 25 tickets , marked with the first 25 numberals , one is drawn at random . Find the probalility that it is a multiple of 5 or 7

From 20 cards marked with the 1st 20 natural numbers.one is drawn at random ,find the probability that it is a)prime number b) multiple of 5.

A two digits number is chosen at random. Find the probability that it is a multiple of 7.

Thirty identical cards are marked with numbers 1 to 30. If one card is drawn at random, find the probability that it is a multiple of 3 or 5.

Find the sum of first 200 natural numbers.

Thirty identical cards are marked with numbers 1 to 30. If one card is drawn at random, find the probability that it is : a multiple of 3 and 5.

Thirty identical cards are marked with numbers 1 to 30. If one card is drawn at random, find the probability that it is : (i) a multiple of 4 or 6. (ii) a multiple of 3 and 5 (iii) a multiple of 3 or 5

A bag contains 20 tickest with marked numbers 1 to 20 . One ticket is drawn at random . Find the probability that it will be a multiple of 2 or 5.

From the first 50 natural numbers, find the probability of randomly selected number is a multiple of 3.