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#1 2015-04-17 05:32:57
Total Percentage Discount:
Question:
The cost of servicing of a Maruti car at Maruti care PVT. Ltd. is Rs. 400. Manager of service centre told me that for the second service within a year a customer can avail a 10% discount and further for third and fourth servicing he can avail 10% discount of the previous amount paid, within a year. Further if a customer gets more than 4 services within a year, he has to pay just 60% of the servicing charges on these services. A customer availed 5 services from the same servicing station, what is the total percentage discount fetched by the customer?
Option A):
18.5%
Option B):
26%
Option C):
19.42%
Option D):
17.6%
Correct Answer is Option C):
19.42%
Explanation:
100 ==10%↓ (1st disc.)==> 90 ==10%↓==> 81 == 10%↓==> 72.9 ==10%↓==> 60(After 5th discount.)
Alternatively,
Amount paid in 1st service = 100 (Assume)
Amount paid in 2nd service = 90
Amount paid in 3rd service = 81
Amount paid in 4th service = 72.9
Amount paid in 5th service = 60
Total amount paid,
= (100 +90 +81 +72.9 +60) = 403.9
Total Discount = 500 - 403.9 = 96.1
% Discount = (96.1 *100) /500 = 19.42%.
Failure is the first step towards seccess.
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2015-04-17 05:32:57
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Re: Total Percentage Discount:
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