Advertisements
Advertisements
Question
If 70 men dig 15,000 sq. m of a field in 5 days, how many men will dig 22,500 sq. m field in 25 days?
Advertisements
Solution
70 men dig 15,000 sq. m of a field in 5 days
1 man can dig 15,000 sq. m of a field in =`(5xx70)/ (15,000)`
Men required to dig 22,500 sq. m. a field in 25 days
`=(5xx70xx22500)/(15,000xx25)=(70xx900)/3000=63/3=21`
Hence required to dig 22,500 sq. m field in 25 days = 21
APPEARS IN
RELATED QUESTIONS
If `2/9` of property costs Rs.2,52,000; find the cost of `4/7` of it.
A particular work can be completed by 6 men and 6 women in 24 days; whereas the same work can be completed by 8 men and 12 women in 15 days. Find :
(i) according to the amount of work done, one man is equivalent to how many women.
(ii) the time is taken by 4 men and 6 women to complete the same work.
A contractor undertakes to build a wall 1000 m long in 50 days. He employs 56 men, but at the end of 27 days, he finds that only 448 m of wall is built. How many extra men must the contractor employ so that the wall is completed in time?
Ten men, working for 6 days of 10 hours each, finish `5/21` of a piece of work. How many men working at the same rate and for the same number of hours each day, will be required to complete the remaining work in 8 days?
A motorbike travels 330 km in 5 litres of petrol. How much distance will it cover in one litre of petrol?
A motorbike travels 425 km in 5 hours. How much distance will be covered by it in 3.2 hours?
If the cost of a dozen identical articles is ₹ 672, what will be the cost of 18 such articles?
Cost of 10 kg of wheat is ₹ 180. What is the cost of 18 kg of wheat?
Once the value of a single unit is known, which operation is used to find the value of "many" units?
30 identical articles weigh 360 g. How many articles will weigh 840 g?
