Q8) Without actual division, find the sum
a) 1 +3+ 5 +7 +9+ 11+ 13+ 15+ 17
b) 1+3+5+7+9+11
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Answer:
a) 1+3+5+7+9+11+13+15+17=10^2=100
b) 1+3+5+7+9+11=6^2=36
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