The correct option is C Amit and Manu
We can conclude the following result:
FlatNo.Age wise decreasingQualificationName(3)Chess PlayerPower EngineerAmit(3)Cricket(Regional)Mech.EngineerManu(2)FootballDesign EngineerRohit(5)TennisQuality InspectorTarun(4)Cricket(National)Mech. EngineerAmbrish
Amit and Manu stay in the same flat.