Question

the sum of 14 odd number is _______
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Answer 1

Answer:

196 is the sum of first 14 odd numbers.

Explanation

step 1 Address the formula, input parameters & values.

Input parameters & values:

The number series 1, 3, 5, 7, 9, . . . . , 27.

The first term a = 1

The common difference d = 2

Total number of terms n = 14

step 2 apply the input parameter values in the AP formula

Sum = n/2 x (a + Tn)

= 14/2 x (1 + 27)

= (14 x 28)/ 2

= 392/2

1 + 3 + 5 + 7 + 9 + . . . . + 27 = 196

Therefore, 196 is the sum of first 14 odd numbers.