Square Root Exercises

1) 1234

Answer: 6

Explanation: Since, 42 = 16, so, 12342 will have 6 at unit’s place

2) 12796

Answer: 6

Explanation: Since, 62 = 36. So, 127962 will have 6 at unit’s place

3) Observe the following pattern and find the missing digits.

112 = 121

1012 = 10201

10012 = 1002001

1000012 = 1.........2.......1

100000012 = ...............

Solution:

1000012 = 10000200001

100000012 = 100000020000001