John got Rs.6000 as his share out of a total profit of Rs.9000 which he and Rick earned at the end of one year. If John invested Rs.20,000 for 6 months, where as Rick invested his amount for the whole year, what was the amount invested by Rick? Choices:
A) 3400	B) 3500	C) 4500	D) 5000	E) 5500
(5000)   Let the amount invested by Ramesh = Rs.x.Then, 20000×6 : 12x=6000:3000   or 12000012x=21 or x = 5000
<result>D</result>
John got Rs.6000 as his share out of a total profit of Rs.9000 which he and Rick earned at the end of one year. If John invested Rs.20,000 for 6 months, where as Rick invested his amount for the whole year, what was the amount invested by Rick?