A phone marked at ₹20000 is offered under two schemes: (i) a flat discount of 20% on the marked price, or (ii) a discount of 10% on the marked price together with a cash-back of ₹1500 on the amount paid. Choosing the cheaper scheme saves the buyer how much (in ₹)?

Question

Accepted Answer

500. Scheme (i): 20000 × 0.80 = ₹16000. Scheme (ii): 20000 × 0.90 = ₹18000, and the ₹1500 cash-back brings the outgo to ₹16500. Scheme (i) is cheaper by ₹500. (A cash-back is a fixed rupee amount, so it has to be compared with the extra 10% off — which here is worth ₹2000, not ₹1500.)

A phone marked at ₹20000 is offered under two schemes: (i) a flat discount of 20% on the marked price, or (ii) a discount of 10% on the marked price together with a cash-back of ₹1500 on the amount paid. Choosing the cheaper scheme saves the buyer how much (in ₹)?

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