Question

two dice are thrown at the same time and the products of a number appear on them is noticed find the probility that the product is prime number

Answer 1

the possible products are 1×1=1
1×2=2 2×1=2
1×3=3 2×2=4
1×4=4 2×3=6
1×5=5
1×6=6.......... and so on
for peime products possible values are
1×2=2,1×3=3,1×5=5....
number of total possible products are 18 and 3 are prime numbers that are 2,3,5 so probability of a prime number is 3/18=1/6