x + 1 = 23 എണീൽ 3 x +1 എത്ര ?

Question:

x + 1 = 23 എങ്കിൽ 3x +1 എത്ര ?

A67

B24

C69

D26

Answer:

A. 67

Explanation:

x + 1 = 23 x = 23 - 1 = 22 3x + 1= 3 × 22 + 1 = 66 + 1 = 67