Question

EXERCISE 8.3
CHAPTER-RATIO AND PROPORTION
1. 12 gardeners plant 180 trees in a day. How many trees can 28 gardeners plant in a day?
2. In a computer lab, there are 5 computers for every 9 students. How many computers will be needed for
45 students?
3. The cost of 7 m cloth is 350. Find the cost of 12 m cloth.
4. A bus can go 250 km with 25 litres of CNG. How much can it go with 30 litres of CNG?
5. A labourer gets 16,000 for 4 months. Find his annual income.
6. A plane covers 4,800 km in 8 hours. Calculate the time taken by the plane to cover 1,800 km.
7. The cost of 5 litres of milk is 180. Find the cost of 3 litres of milk.
8. The length of the shadow of a 30 m tall tower at a certain time of the day is 18 m. What is the height of
another building which casts a shadow of 12 m at the same time?
9. 1,152 boxes of eatables can be packed in 8 cartons. How many cartons are required to pack 3,888 boxes
of eatables?
10. The cost of 37 shirts is 6,290. How many shirts can be purchased for *4,420?
11. 16 men can reap a field in 30 days. How many men are required to reap the same field in 24 days?
12. If 36 men finish a piece of work in 25 days, how many days will 15 men take to do it?​

Answer 1

Answer:

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