without adding,find the sum. 1+3+5+7+9+11+13+15+17+19+21+23+25+27+29
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Answered by
2
Answer:
here these are all odd numbers so in maths it can't be possible
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15
Answer:
we can write, 1+3+5+7+9+11+13+15+17+19+21+23 = 122 = 12×12 =144
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