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SUMIT CHHILLAR

· started a discussion

· 1 Months ago

provide solution

Question:

A person buys certain number of marbles at 20 per rupee and equal number at 30 per rupee. He mixes them and sells them at 25 per rupee. His gain or loss in the transaction is:

Options:
A)

2% loss

B)

4% loss

C)

2% gain

D)

4% gain

Solution:

Cost price of each marble @ 20 per rupee

=Rs.\(\cfrac{1}{20}\)

Cost price of each marble @ 30 per rupee

=Rs.\(\cfrac{1}{30}\)

Average cost price of each marble


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