After Saturday´s results, four-time defending champions Nepal is atop Group A with six points from three matches whereas Malaysia is second with four points after victory over Saudi Arabia.
Hong Kong is third with two points and had two matches - one each against Nepal and Malaysia in hand. Singapore, who third loss in the tournament have no chance to qualify whereas Hong Kong, Malaysia and Saudi Arabia all have a chance to qualify.
At Hubara, Singapore won the toss and elected to bat first. They scored 171 in 49.5 overs with Rezza Gaznavi topscoring with 39 and Irfan Madakia getting 30.
For Nepal, Rom Shrestha got three wickets while Sagar Khadka grabbed two.
In reply, Nepal reached the target in 44.5 overs with captain Gyanendra Malla scoring 62 and Anil Mandal hitting 36.
Nepal vs Sri Lanka (Live video)