An unbiased dice, with faces numbered 1,2,3,4,5,6, is thrown `n` times and the list of `n` numbers shown up is noted. Then find the probability that among the numbers 1,2,3,4,5,6 only three numbers appear in this list.

A die is thrown three times and the sum of the 3 numbers shown is 15. The probability that the first throw was a four, is

An ordinary cubical dice having six faces marked with alphabets A, B, C, D, E, and F is thrown n times and the list of n alphabets showing up are noted. Find the total number of ways in which among the alphabets A, B, C D, E and F only three of them appear in the list.

Two fair dice are thrown. The probability that the sum of the numbers on the upper face is 5, is

Two dice are thrown. What is the probability that the sum of the numbers appearing on the two dice is 11, it 6 appears on the first?

Two dice are thrown. What is the probability that the sum of the numbers appearing on the two dice is 11, it 5 appears on the first?

If a coin is tossed n times, then find the probability that the head appears odd number of times.

A die is thrown twice and the sum of the numbers appearing is observed to be 6. What is the conditional probability that the number 4 has appeared at least once?

Two dice are thrown at a time.The probability that the sum of two numbers is equal to 5 is

Two dice are thrown at a time. The probability that the sum of two numbers are 3 or 5or 11 is

Find the mode of the following numbers : 3,4,5,2,3,4,1,6,4