If 21 is the true discount on 371 for a certain time, what is the tr – McqOptions

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1.	If 21 is the true discount on 371 for a certain time, what is the true discount on the same amount for double that time, the rate being the same in both the cases?
A.	39.00
B.	35.75
C.	40.00
D.	39.75
E.	None of these
Answer» E. None of these

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