1.

A bag contains 50 paisa, 20 paisa and 10 paisa coins in the ratio 5:3:1.If the total amount in the bag is 640 Rs,find the difference in the amounts contributed by 50 paisa and 20 paisa coins.?

A. Rs.300
B. Rs.400
C. Rs.380
D. None of these
Answer» D. None of these


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