1.

The ratio of prices of Cello and Rotomac pens in 2000 were in the ratio of 3: 5. In 2005 the price of Cello pen tebles itself and the price of Rotomac pen is increased by ₹ 100, then the new ratio of prices of the same pens becomes 4 : 5. What was the original price of the Rotomac pen in 2000?

Answer»

₹ 60
₹ 80
₹ 100
₹ 120

Answer :B


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