# If 16 - 2 = 2, 9 - 3 = 0, 81 - 1 = 8, Then What is 64 - 4=? - Logical Reasoning

MCQ

If 16 - 2 = 2, 9 - 3 = 0, 81 - 1 = 8, then what is 64 - 4 = ?

• 4

• 2

• 6

• 8

#### Solution

4
Explanation:
As, sqrt16-2=4-2=2
sqrt9-3=3-3=0
and sqrt81-1=9-1=8
Similarly, sqrt64-4=8-4=4

Concept: Mathematical Operations (Entrance Exam)
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