Two boxes contain tokens on which numbers `1,2,3,4` are written. One token is taken from each box.
a) What is the probability of getting sum of the face numbers a prime number?

A box contains slips numbered prime numbers from 1 to 10 and another box contains odd numbers from 1 to 10 . If one slips taken from each. a) What is the probability of both being prime numbers?

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?

Two dice are thrown together. What is the probability that the sum of the numbers on the two faces is 8?

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.

A box contains four slips nümbered '1,2,3,4' and another box contains two slips numbered 1,2 If one slip is taken from each, what is the probability of the sum of numbers being odd? What is the probability of the sum being even?

A box contains 10 black beads and 15 white beads Another box contains 11 black beads and 17 white beads Without looking, a bead is drawn from each box i) What is the probability of getting a black bead from the first box? ii) What is the probability of getting a black bead from the second box? iii) Which box give more chance to get a white bead Why?

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 that both beads are white?

There is one spot at one side of the cube, two on another side, three on the third side and so on. There are spots on all the six faces, in this order. An other cube which is marked in the same way is taken. What is the probability that the sum of the spots be a prime number?

A box contains 400 electronic toy'cars.Among them,12 are defective. One toy is taken out at random.What is the probability that It is a defective toy.

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?