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.12000. A's share is?
Choose the correct choice from the following.
A) 8876  B) 2765  C) 4000  D) 1298  E) 1261
x* 12 : 2x* 6: 3x* 4   1:1:1   1/3 * 12000= 
<gadget id="calculator">1/3 * 12000</gadget>
<output>4_000</output>
4000   Answer:4000
<result>C</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.12000. A's share is?