A dice is thrown. The probability that the first time 1 occurs at the even throw is

If 2 dice are thrown, then probability that first die shows an even number, and second an odd number, is

A dice is thrown twice.The probability of getting 4,5 or 6 in the first throw and 1,2,3 or 4 in the second throw is

A pair of dice is thrown once. What is the probability that either an even number of first dice or a sum of 8 will appear.

A dice is thrown (2n+1) times. The probability that faces with even numbers show odd number of times is

A dice is thrown (2n+1) times. The probability that faces with even numbers show odd number of times is

Two dice are thrown . Find the probability that the sum of number coming up on them is 9, if it is known that the number 5 always occurs on the first dice.