Question

The sun of three consecutive integers is 57. what is the middle number?

a. 19
b. 21
c. 23
d. 17​

Answer 1

Step-by-step explanation:

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The sum of three consecutive odd number is 57. The middle one is?

Options

A. 19

B. 21

C. 23

D. 17

Correct Answer

19 

Explanation

To find:-

Let the requirement odd integers be N, N +2 and N + 4

Then,

, N + (N + 2) + (N + 4) = 57

? 3N = 51

$51 \div 3n = 17$

? N = 17

Hence , The integer is 17

There for option (D) 17 is correct

Hope it helps you mate:-