A starts business with Rs.3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B’s contribution in the Capital ?  Choose the correct choice from the following options.
A) 24887
B) 20778
C) 23788
D) 9000
E) 2811
Explanation:   A invested Rs.3500 for 12 months.   Let B joined with investment x. And he invested for 12 - 5= 
<gadget id="calculator">12 - 5</gadget>
<output>7</output>
7 months.   So there profit ratio= (3500 × 12) : (7x) = 2 : 3   ⇒ x = 9000   Answer: 9000
<result>D</result>
A starts business with Rs.3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B’s contribution in the Capital ?