A natural number is chosen at random from the first 100 natural numbers. The probability that `x+(100)/x > 50` is `1//10` b. `11//50` c. `11//20` d. none of these

Find the sum of the first 100 natural numbers.

Find the sum of the first 100 natural numbers.

Find the sum of the first 100 natural numbers.

Three numbers are chosen at random from the first 20 natural numbers. The probability that their product is even is

Three natural numbers are taken at random from the set of first 100 natural numbers. The probability that their A.M. is 25, is

Three numbers are chosen at random from the first 20 natural numbers. The probability that they are not consecutive is

Find sum of first 50 natural numbers.

The variance of the first 50 even natural numbers is

Statement-1: A natural x is chosen at random from the first 100 natural numbers. The probability that ((x-10)(x-50))/(x-30) lt 0 is 0.28 Statement-2 : For any event A, 0 le P(A) le 1 .

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