Question

24. Two numbers 'a' and b are selected successively without replacement in that order
fron the integers 1 to 10. The probability that is a/b integer, is​

Answer 1

Answer:

Two numbers 'a' & 'b' are selected successively without replacement in that order from the integers 1 to 10. The probability that a/b is an integer, is (a) 17/45.