Every year, the price of commodity X grows by 40 paise, whereas the price of commodity Y increases by 15 paise. If the price of commodity X was Rs. 4.20 in 2001 and the price of commodity Y was Rs. 6.30 in 2001, in which year would commodity X cost 40 paise higher than commodity Y?
A. 2010
B. 2011
C. 2012
D. 2013
Answer:B
Every year, the price of commodity X grows by 40 paise, whereas the price of commodity Y increases by 15 paise. If the price of commodity X was Rs. 4.20 in 2001 and the price of commodity Y was Rs. 6.30 in 2001, in which year would commodity X cost 40 paise higher than commodity Y?
A. 2010 B. 2011 C. 2012 D. 2013