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Question

A man bought two old scooters for Rs. 18000. By selling one at a profit of 25% and the other at a loss of 20%, he neither gains nor loses. Find the cost price of each scooter.

A
12000,6000
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B
8000,10000
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C
11000,7000
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D
13000,5000
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Solution

The correct option is B 8000,10000
Let the C.P. of the 1st scooter = Rs. x.
Then, C.P. of the 2nd scooter = Rs. (18000x)
By selling one scooter he gets 25% profit, then
S.P. of 1st scooter = Rs. x×125100= Rs. 5x4
By selling 2nd scooter he gets 20% loss, then S.P. of 2nd scooter = Rs. (18000x)×80100
= Rs. 45(18000x)
Since Mohan neither gains nor loses, his
Total S.P. = Total C.P.
5x4+45(18000x)=18000
5x44x5=1800014400=3600
25x16x20=3600
9x=3600×20
x=3600×209=8000
C.P. of 1st scooter = Rs. 8000
C.P. of 2nd scooter =180008000= Rs. 10,000.

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