Question

4 dice are rolled number of possible outcomes in which atleast 1die shows 2 is

Answer 1

No. of ways in which any number appearing in one dice = 6No. of ways in which 2 appear in one dice = 1No. of ways in which 2 does not appear in one dice = 5There are 4 dice.Getting 2 in atleast one dice =Getting any number in all the 4 dice - Getting not 2 in any of the 4 dice.=(6×6×6×6)−(5×5××5×5)=(6×6×6×6)−(5×5××5×5)1296−625=671