Number Systems and Ratio & Proportion
The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.30, in which year commodity X will cost 40 paise more than the commodity Y ?
|E||None of These|
Difference in begning=6.30-4.20=2.10
Year=2.10/0.25=8.4 means 9 year=2001+9=2010.