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Subject :IMO    Class : Class 10

A person earns 15% on an investment but losses 10% on another investment. If the ratio of the two investments be 3 : 5, then what is the gain or loss on the two investments taken together?

A 1.625% loss
B 13.125% gain
C 13.125% loss
D None of these


Ans 1:

Class : Class 5

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