Question

3 +5+ 7+ .... + 29=
A) 224 B)225 C) 841 D) 900​

Answer 1

Answer:

A)224

Step-by-step explanation:

As we know sum of first n odd no is n^2 so

We can add 1 subtract 1 so it will become

Sum of First 15 odd number-1

=15^2-1 =225-1=224

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