MEDIUM
Earn 100

36 workman are employed to finish a certain piece of work in 48 days. But it is found that in 24 days, only two-fifth work is done. How many more men must be employed to finish the work in time?

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Important Questions on Ratio and Proportion

MEDIUM
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
40 persons take 6 days to complete a certain task working 10 hours a day. How many hours a day will be sufficient for 30 persons to complete the same task in 10 days?
MEDIUM
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
A contractor takes a contract to complete a road in 60 days and employed 70 labourers. After 25 days, he found that one fourth of work is completed. How many more labours he required to complete the remaining work in time?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
45 men can complete a work in 16 days. Four days after they started working, 36 more men joined them. How many days will they now take to complete the remaining work?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
If 12 boys can earn ₹240 in 5 days, how many boys can earn ₹420 in 21 days?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
42 men take 25 days to dig a pond. If the pond would have to be dug in 14 days, then what is the number of men to be employed?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
16 men are able to complete a piece of work in 12 days working 14 hours a day. How long will 28 men, working 12 hours a day, take to complete the work?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
If 5 men and 3 boys can reap 23 hectares in 4 days and if 3 men and 2 boys can reap 7 hectares in 2 days, how many boys must assist 7 men in order that they may reap 45 hectares in 6 days?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
Some persons can do a piece of work in 12 days. Two times the number of such persons will do half of the work in _____ .
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
If (4/5)th of a cistern is filled in 1 minute . How much time is required to fill the remaining part of this ?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
A group of labourers promise to do a work in 12 days, but 5 of them do not turn up. If rest of the group do the work in 18 days, find the original number of men?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
A work was started by a certain number of men, who completed the work in 15 days. Had there been 4 men less, they would have taken 3 more days to complete the work. Find the number of men.
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
There is sufficient food for 800 men for 62 days. After 56 days, 560 men leave the place. For how many days will the rest of food last for the rest of the men?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
Working 8 hour a day, Anu can copy a book in 18 days. How many hours a day should she work so as to finish the work in 12 days?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
20 persons can make 25 toys in 10 hours. How many toys can 10 persons make in 12 hours?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
12 pumps working 6 hour a day can empty a completely filled reservoir in 15 days. How many such pumps working 9 hour a day will empty the same reservoir in 12 days?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
120 men had provision for 200 days. After 5 days, 30 men died due to an epidemic. The remaining food will lasts for
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
Having the same capacity 9 taps fill up a water tank in 20 minutes. How many taps of the same capacity are required to fill up the same water tank in 15 minutes?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
A garrison of 2200 men has provision for 16 weeks at 4.5 kg per day per man. How many men must leave so that the same provision may last for 24 weeks at 3.3 kg per day per man?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
If the rent for grazing 40 cows for 20 days is Rs.370, how many cows can graze for 30 days on Rs.111?
EASY
Quantitative Abilities>Arithmetic>Ratio and Proportion>Chain Rule
20 men completed one third of a piece of work in 20 days. How many more men should be employed to finish the rest of the work in 25 more days?