Numbers from 0 to 9 are written on cards and placed in a box and numbers from 1 to 9 are written on cards and placed in another box. One card is taken from each box without looking into it . What is the probability of getting the sum as 18?

Number from 1 to 100 are written on small papers and placed in abox. One number is taken from the box without looking into it. What is the probability of getting a number having 0 or 7 in the ones place?

Numbers from 1 to 25 are written on small papers and placed in a box. One number is taken from the box at random. What is the probability of getting: prime number.

Numbers from 1 to 25 are written on small papers and placed in abox. One number is taken from the box at random. What is the probability of getting:complete square.

Numbers from 1 to 10 are written in small papers and placed in á box A paper is taken at random, without looking a) What is the probability of getting a prime number? b) Being an odd number

Natural numbers from1to 30 are.written on paper slips and kept in a box.If oneslip t is taken from the box,What is the probability of this number to be even?

Natural numbers from1to 30 are.written on paper slips and kept in a box.If oneslip t is taken from the box,What is the probability of this number to bea multiple of3?

Natural numbers from1to 30 are.written on paper slips and kept in a box.If oneslip t is taken from the box,What is the probability of this number to be a multiple of 3and5?

Natural numbers from1to 30 are.written on paper slips and kept in a box.If oneslip t is taken from the box,What is the probability that this number be a natural number?-

A box contains same size of 27 cards: Of these some are green and some are yellow A card is taken from the box, without looking into ịt, if the probability of the card become green is 1/3 a) What is the number of green cards? b) If a green card and 2 yellow cards are put in the box and a card is taken without looking into it What is the probability of it being green?

A box contains 6 red beads and 5 white beads. Another box contains 8 red beads and 4 white beads. If one bead is taken from each box, then: What is the probability of getting at least one red bead?