A, B and C invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. A left after six months. If after eight months, there was a gain of Rs. 4005, then what will be the share of B?	Pick one.
A) Rs 690	B) Rs 790	C) Rs 890	D) Rs 990	E) None of these
Explanation:   A:B:Rs 890 = (8000*6):(4000*8):(8000*8)   = 48:32:64   = 3:2:4   So B share = (2/9)*4005= 
<gadget id="calculator">(2/9)*4005</gadget>
<output>890</output>
Rs 890   Option Rs 890
<result>C</result>
A, B and C invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. A left after six months. If after eight months, there was a gain of Rs. 4005, then what will be the share of B?