Question

3. Write the possible number of digits in the squares of the following numbe
(a) 22
(6) 123
(c) 1465
(d) 39760

Answer 1

• 22=The square root of 22 rounded up to 5 decimal places is 4.69042. It is the positive solution of the equation x2 = 22.
• Let us consider 1st number as 1No. of digit : 1Square : 1 2 =1No. of digit in square = 1 satisfying options (B) and (C)Now let us consider 2nd number as 4No. of digit : 1