KnowledgeBoat Logo
|

Mathematics

The sum of three consecutive even numbers is 90; the middle number is:

  1. 28

  2. 30

  3. 32

  4. none of these

Linear Eqns One Variable

17 Likes

Answer

Let the 3 consecutive number be (x - 2), x and (x + 2).

(x - 2) + x + (x + 2) = 90

⇒ x - 2 + x + x + 2 = 90

⇒ 3x = 90

⇒ x = 903\dfrac{90}{3}

⇒ x = 30

Hence, option 2 is the correct option.

Answered By

2 Likes

Related Questions