1.

in a hostel there is food provision for 200 students for 30 days . if 50 students left the hostel how long the provision lost for the remaining students.

Answer»

Let the provision day to be last now xstudents at beginning 200and provision 30 daysbut 50 students left so obviously provision increase so its inverse variation.200×30=150×x6000=150xx=40 days



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