Without actually adding find the following sum 1+3+5+7+9+11
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2
46 is the answer and I have mentally calculated it.
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6
the answer is 36.
because if the odd consecutive numbers are added... so the square of the no. of consecutive odd numbers is taken
in this case, there are 6 odd consecutive numbers
so the sum would be 6²=36
because if the odd consecutive numbers are added... so the square of the no. of consecutive odd numbers is taken
in this case, there are 6 odd consecutive numbers
so the sum would be 6²=36
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