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 one?

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 on the upper faces is 9?

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?

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.If both the cubes are thrown,what is the probability that the total number of spots on the upper faces is 6?

A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed.find the probability that the sum of numbers that turn up 3

A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed.find the probability that the sum of numbers that turn up 12.

A fair coin with I marked on one face and 6 on the other and a fair die are both tossed, find the probability that the sum of the numbers that turn up is 12

From all two-digit numbers with either digit 1, 2, or 3 one number is chosen i) What is the probability of both digits being the same? ii) What is the probability of the sum of the digits being 4 ?

a) How many two digit numbers are there in all? b) If we choose one number from the two digit numbers, what is the probability that the sum of the digits of that number will be 10 ?

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?

There are three coins. One is a two headed coin (having head on both faces), another is a biased coin that comes up heads '75 %' of the time and third is an unbiased coin. One of the three coins is chosen at random and tossed, it shows heads, what is the probability that it was the two headed coin?