Discussion Forum



1)

What number should replace x in this multiplication problem ?

3x 4  
  4  
---------
 1216

A) 0

B) 2

C) 4

D) 5

Answer:

Option A

Explanation:

(300+10x + 4) * 4 = 1200+40x + 16 = (12 * 100) + (4x + 1)*10+6

4x+1=1 <=> 4x=0 <=>x=0