1.

A pencil costs 75 paise and a notebook costs Rs. 2.50. What is the simplest of the ratio of the cost of a pencil to the cost of a note book?

A.  3 : 10                         
B.  7 : 3               
C.    3 : 7               
D.    10 : 3 
Answer» B.  7 : 3               


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