If the cost of a book worth Rs. 50 is increased by Rs. 25 more, then how much is the rate of increase?

If the cost of a book worth Rs. 50 is increased by Rs. 25 more, then h

1.	If the cost of a book worth Rs. 50 is increased by Rs. 25 more, then how much is the rate of increase?
A.	10
B.	25
C.	20
D.	50
Answer» E.

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If the cost of a book worth Rs. 50 is increased by Rs. 25 more, then how much is the rate of increase?

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