7. Two unemployed young men decided to start a business together. They pooled in their savings, which came to Rs. 2,000. They were both lucky, their business prospered and they were able to increase their capital by 50 per cent every three years. How much did they have in all at the end of eighteen years?



(a) Rs. 22,781.25 (b) Rs. 24,150.25 (c) Rs. 28,140.50 (d) Rs. 18,000

• (a) Rs. 22,781.25
  At end of 3yrs=> 3000
  At end of 6yrs=> 4500
  At end of 9yrs=> 6750
  At end of 12yrs=> 10125
  At end of 15yrs=> 151875.5
  At end of 18yrs=> 22781.25
  
• 14 years agoHelpfull: Yes(3) No(1)