Question

Find the least number which must be subtracted from each of the following numbers so as to get a perfect square . Also find the square root of the perfect square so obtained
(i)402, (ii) 1989, (iii) 3250, (iv)825 (v) 4000
A. Least number which must be subtracted : (i)2, (ii)22, (iii)1,(iv)21,(v)52
Square root of the perfect square
(i)20 (ii)34 (iii)55 (iv)26 (v)67
B. Least number which must be subtracted : (i)2, (ii)53, (iii)1,(iv)41,(v)31
Square root of the perfect square
(i)20 (ii)44 (iii)57 (iv)28 (v)63
C. Least number which must be subtracted : (i)6, (ii)22, (iii)50,(iv)31,(v)40
Square root of the perfect square
(i)19 (ii)41 (iii)49 (iv)27 (v)65
D. Least number which must be subtracted : (i)8, (ii)41, (iii)12,(iv)56,(v)4
Square root of the perfect square
(i)19 (ii)22 (iii)37 (iv)26 (v)61