1) Cost of 25 pens is Rs 480.then what is cost 75 pens.
2)Weight of 20 papers is Rs 480.Then what weight of 30 papers.
3) Cost of 36 bags cotton is Rs 16800 .What is the cost 48bags of cotton.
4)If a pipe can fill a tank of a capacity 50L in5 hours. Then how long will it take to fill a tank of capacity 75L.
5)If cost 20m of a cloth is Rs1600.what will be cost 24.5m of cloth.
6) 6pumps are required to fill a tank in 1hour 20minutes. How long will it take if only 5pumps of the same type are used.
7) Speed of two cars is 360km/hr.What is speed of 4 hours.
8) 48 men can do a piece of work in 17days. In how days 12men can do same work?
9) If 15 workers can build a wall in 48 hours. How many workers will be required to do the same work in 30hours.
10) If ( x+1) will do the work in (x+1) days. Find the number days (x+2) days do same work
11) Examples ( pages 243 to 245) 10,11,12
Answers
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Cost of 25 pens=Rs480
Cost of 1 pen(s)=Rs 480 ➗ 25
=Rs19.2
Cost of 1 pen. =19.2
Cost of 75 pens=Rs 19.2X75
=Rs 1440
Answered by
1
Answer:
1. Rs 1440
2. Rs 720
3. Rs 22400
4. 7 hr. 30 min.
5. Rs 1800
6. 96 min.
7. 1440 km
8. 68 days
9. 24 workers
10.((x+1)^2)÷x+2
11.From which book
Step-by-step explanation:
May it helps.......
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