Question

find least number which should be
Subtracted from 150 to make it
perfect Square​

Answer 1

to find the perfect square we have to find the square root of 150.

on finding it's square root wole see that 6 is left

therefore, the least number to be subtracted = 6

150 - 6 = 144

Answer 2

Step-by-step explanation:

${12}^{2} = 12 \times 12 = 144 \\ {13}^{2} = 13 \times 13 = 169 \\ \\ {12}^{2} < 150 < {13}^{2} \\ \\ To \: \: make \: \: a \: \: perfect \: \: Square, \\ we \: \: should \: \: Subtract \: \: 6 \: \: from \: \: 150 \\ \\ 150 - 6 = 144 \: ( {12}^{2} )$