A starts a business with Rs. 3500. After 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. B's contribution in the capital is	Select:
A) 7000 B) 8000 C) 9000 D) 10000 E) None of these
Explanation :   Ratio in which profit is divided = 2:3   Assume that B's contribution to the capital = b   =&gt; 3500*12 : b*7 = 2:3   =&gt; 3500*12/7b = 2/3   =&gt; b = (3500*12*3)/(2*7) = 500*6*3= 
<gadget id="calculator">500*6*3</gadget>
<output>9_000</output>
9000. Answer : Option 9000
<result>C</result>
A starts a business with Rs. 3500. After 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. B's contribution in the capital is