Pakistan built upon an opening stand of 151 between Mohammad Hafeez and Imran Farhat to reach a total of 257-8 off its 50 overs.Hafeez smashed nine fours and a six in a topscore of 83 off 101 balls, while left-hander Farhat struck six fours and a six in 70 off 82 deliveries.Sri Lanka was bowled out for 236 off 48.5 overs with off-spinner Saeed Ajmal (3-42) and pacer Umar Gul (3-48) holding their nerve at key moments.Captain Tillakaratne Dilshan hit 64 and fellow veteran Kumar Sangakkara contributed 45.