Question

How much is the sum of first seven consecutive odd numbers?

Answer 1

Answer:

49

Step-by-step explanation:

Sum of first 7 consecutive odd numbers:

the odd no.s are , 1,3,5,7,9,11,13

a=1; d=2; l = 13

S₇ = $\frac{7}{2} * (1+13)$

    = $\frac{7}{2} * (14)$

    = 7*7

    = 49

Answer 2

Answer:

49

Step-by-step explanation:

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