Without adding, find the sum. (i) `1+3+5+7+9` (ii) `1+3+5+7+9+l1+13+15+17+19`

Without adding, find the sum: 1+ 3 + 5 + 7 + 9

Without adding, find the sum: 1 + 3 + 5 + 7 + 9

Without adding,find the sum: 1+3+5+7+9

Without adding ,find the sum : 1+3+5+7+9.

Without adding,find the sum.(i) 1+3+5+7+9( it) 1+3+5+7+9+l1+13+15+17+19

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + I1 + 13 + 15 + 17 +19

Without adding, find the sum: i) 1+3+5+7+9\ ii) \ 1+3+5+7+9+11+13+15+17+19 iii) 1+3+5+7+9+11+13+15+17+19+21+23

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19+ 21 + 23