Question

Consider the set a = {1, 2, 3, ö., 30}. The number of ways in which one can choose three distinct numbers from a so that the product of the chosen numbers is divisible by 9

Answer 1

Answer:

30 ,3,1

Step-by-step explanation:

by multiplying the three numbers 30 ,1 and 3 we will get

get the answer as 90 so it is divisible by 9

so we can say that the 3 numbers in the set is 30,1,3

because 30(30)(1)=90