What percent of Rs. 2650 is Rs. 1987.50 ?

Answer: Option B

Required percentage :
$$\begin{array}{rl}& =\left(\frac{1987.50}{2650}\times 100\right)\%\\ & =\left(\frac{19875}{265}\times \frac{1}{100}\times 100\right)\%\\ & =75\%\end{array}$$