The price of a commodity in the country X is Rs.500 and that in the country Y is Rs.1000. If there is a 10% increase in price in the country X every year and price in the country Y remains constant, then find the least number of whole years in which the price of the commodity in the country X will be more than , or equal to that in the country Y ?

1) 2
2) 4
3) 6
4) 8

• 8
  500*(1.1)^n => 1000
  1.1 ^n =>2
  
  possible when n=8
• 11 years agoHelpfull: Yes(0) No(0)