A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.27000. A's share is?
Choose the most appropriate option: A) s.7500 B) s.7200 C) s.6000 D) s.5750 E) s.9000
x* 12 : 2x* 6: 3x* 4   1:1:1   1/3 * 27000= 
<gadget id="calculator">1/3 * 27000</gadget>
<output>9_000</output>
9000   ANSWs.9000R:s.9000
<result>E</result>
A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.27000. A's share is?