SSC MTS 2 Aug 2019 Shift 3 Paper

Cost price × (100 – loss)% = selling price
⇒ Cost price × 90% = 810
⇒ Cost price = Rs. 900
If the loss is 20%,
⇒ Selling price = cost price × (100 – loss)%
⇒ Selling price = 900 × 80%
⇒ Selling price = 720
∴ The selling price if the loss is 20%, will be Rs. 720.