1) Arun, Kamal and Vinay invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. Arun left after six months. If after eight months, there was a gain of Rs. 4005, then what will be the share of Kamal ? A) 1335 B) 1620 C) 1780 D) 890 Answer: Option DExplanation:Arun : Kamal : Vinay $=(8000\times 6)$ $:(4000\times 8)$ $:(8000\times 8)$ $=48:32:64$ $=3:2:4$. $\therefore$ Kamal's share = Rs. $\left(4005\times\frac{2}{9}\right)$ = Rs. 890.