Q191
Prateek sold a music system to Karthik at 20% gain and karthik sold it to Swastik at 40% gain. If Swastik paid Rs. 10500 for the music system, What amount did Prateek pay for the same ?
A.
Rs. 6250
AnswerB.
Rs. 7500
C.
Rs. 8240
D.
Cannot be determined
E.
None of these
Answer: Option A
Solution
Answer: Option A
Solution:
Let the price paid by Prateek be Rs. x.Then,