5.In an army camp, there are 320 soldiers. There are enough food stock for 90 days. If 20 soldiers move to another camp, for how many days will the food last?
6. A pulley revolves at a speed that is inversely proportional to its diameter. A pulley with a diameter of 12 cm is belted to a pulley with a diameter of 8 cm. If the smaller pulley is revolving at is the larger pulley revolving?
7. A box of sweets is divided among 24 children, so that they will get 5 sweets each. How many sweets would each get, if the number of children is reduced by 4?
8. A car takes 2 hours to reach a destination by travelling at a speed of 60 km/h. How long will it take, when the car travels at a speed of 80 km/h?
9. A bicycle dealer has 20,000 to invest, when a bicycle is available for 800. If the price of a bicycle increases by 25%, find the number of bicycles he can purchase with the same sum?
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Answer:
5. In an Army camp Soldiers = 320
Food Stock = 90 Days
In Army If there will be Soldiers = 20
Food Stock = ?? Days
Solution= 90-20
= 70 Days
IfIn Army If there will be Soldiers 20
Food Stock for 70 days
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