Multiple Choice Question (MCQ)
The square root of 17,689 is exactly
-
×
131
-
×
132
-
✓
133
-
×
134
-
×
136
The square root of 17,689 is exactly
131
132
133
134
136
The last digit of 17,689 is 9, which must be resulted in by squaring of a number whose last digit is 3 or 7. There's only 1 option to meet the criteria.
Therefore
C is the right choice