Question

1. if x and y vary inversly as each other
when x is 16
y is 6 then
find y if x is 12
2.
A car covers 400 Km at constant speed in
5 hours. How much time will it take to
cover 720 km at same speed ?
3. A school hostel with 40 children have enough
provision to last 15 days. If 10 more children
are added into hostel, how many days will
the provision last now ?
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Answer 1

Answer:

10............................