1) 20 students live in a hostel.in the month of january ,rs. 33000 were spent on food.find average daily expenditure on each student.
2) A car covers 70 km in 3 hours and 120 km in two hours.find the average distance covered by car in one hour.
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2)120+70=190
3+2=5
average speed=190÷5
answer=38
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