Question

Find the square roots of the following numbers by using their ones and tens digits:
A. 2601

Answer 1

Answer:

If we multiply 51 x 51 we get 2601. Thus the square root of 2601 is 51. At ones place the digit is 6. we know that 4² = 16 and 6² = 36, so 4 at the end will give 6 at ones place and 6 at the end will also give 6 at ones place.