Question

in a single throw of two dice,the probability of:
1) a doublet
2) an odd number as a sum
3) an odd number on dice and a number less than or equal to 4 on the other dice

Answer 1

(1)6/36=1/6
(2)18/36 =1/2
(3)favourale outcomes:1,1  1,2  1,3  1,4  
                                     3,1  3,2  3,3  3,4
                                     5,1  5,2  5,3  5,4
no.of favourable outcomes=12
12/36=1/3

Answer 2

The probability is--
1)6/36=1/6
2)18/36=1/2
3)12/36=1/3