A composite number is selected at random from the first 30 natural numbers and it is divided by 5. The probability that there will be remainder is (a) `14/19` (b) `5/19` (c) `5/6` (d) `7/15`

A number is selected at random from the first 1000 natural numbers.What is the probability that the number so selected would be a multiple of 7 or 11?

A number is selected at random from first 50 natural numbers.Find the probability that it is a multiple of 3 and 4.

A number is selected at random from first 50 natural numbers.Find the probability that it is a multiple of 3 and 4.

Two distinct numbers are selected at random from the first twelve natural numbers. The probability that the sum will be divisible by 3 is :

Three distinct numbers are chosen at random from the first 15 natural numbers. The probability that the sum will be divisible by 3 is

From the set of numbers {2,3, 4, .....30}, a number is selected at random. If it is a composite number it is divided by 5, otherwise it it divided by 3. The probability that the remainder is zero is (A) 7/29 (B) 6/29 (C) 5/29 (D) 4/29

A natural number is chosen at random from the first 100 natural numbers. What is the probability that the number chosen is a multiple of 2 or 3 or 5?

A natural number is chosen at random from the first 100 natural numbers. What is the probability that the number chosen is a multiple of 2 ro 3 or 5?

Write the probability that a number selected at random from the set of first 100 natural numbers is a cube.