Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.

Explanation:-

$$\eqalign{ & {\text{Rebate}} = 6\% \,{\text{of}}\,Rs.\,6650 \cr & = Rs.\,\left( {\frac{6}{{100}} \times 6650} \right) = Rs.\,399. \cr & {\text{Sales}}\,{\text{tax}} = \,10\% \,{\text{of}}\,Rs.\,\left( {6650 - 399} \right) \cr & = Rs.\,\left( {\frac{{10}}{{100}} \times 6251} \right) = Rs.\,625.10 \cr & \therefore {\text{Final}}\,{\text{amount}} \cr & = Rs.\,\left( {6251 + 625.10} \right) \cr & = Rs.\,6876.10 \cr}$$