A shopkeeper allows a series of discounts of 20%, 10% and 15%. How much will a customer have to pay for the item marked at ₹1,000?
- A₹550
- B₹628
- C₹620
- D₹612
Solution & Step-by-step Explanation
Given Marked Price (MP) = ₹1,000.
We apply the successive discounts to determine the final selling price (SP):
SP=MP×(1−
100
20
)×(1−
100
10
)×(1−
100
15
)
SP=1000×
100
80
×
100
90
×
100
85
SP=1000×0.8×0.9×0.85
SP=1000×0.72×0.85
SP=720×0.85=612
Thus, the customer will have to pay ₹612.
We apply the successive discounts to determine the final selling price (SP):
SP=MP×(1−
100
20
)×(1−
100
10
)×(1−
100
15
)
SP=1000×
100
80
×
100
90
×
100
85
SP=1000×0.8×0.9×0.85
SP=1000×0.72×0.85
SP=720×0.85=612
Thus, the customer will have to pay ₹612.