Question

find all pairs of consecutive odd positive integers both of which are smaller than 10 such that their sum is more than 11​

Answer 1

Let us first collect all such numbers:

1, 3, 5, 7 and 9

Thus, the pairs formed satisfying the conditions are:

(3, 9); (5, 9); (7, 9); (5, 7)

HOPE THIS COULD HELP!!!

Answer 2

Ans.

(3,9),(5,9),(5,7),(7,9),(9,3),(9,5),(7,5),(9,7),(7,7),(9,9).