Question

what is the square of 15 by the first method of vedic maths

Answer 1

Dear Student,

$$\begin{gathered} {15}^2 \\ \mathrm{First}\mathrm{digit}\times \left(\mathrm{first}\mathrm{digit}+1\right)=1\times \left(1+1\right) \\ =1\times 2=2 \\ {5}^2=25 \\ \mathrm{So},{15}^2=225\mathrm{ANS}... \end{gathered}$$