7th Class Mental Ability Letters Question Bank Using letters for numbers

Directions: With this type of questions you are given a number equation (number sentence) with a number missing. Both sides of the equation need to have the same value. You are required to find the missing number that will balance the equation.

\[\text{4 }\!\!\times\!\!\text{ 5 }\!\!\times\!\!\text{ 5 = 33 + }\!\![\!\!\text{ ? }\!\!]\!\!\text{ + 32}\]

A) 20

B) 35

C) 15

D)        40

Correct Answer: B

Solution :

\[4\times 5\times 5=33++32\] Both sides total 100