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New Delhi has been ranked as the world’s most polluted capital city for four consecutive years from 2018 through 2021 according to the Air Quality Report by IQAir. This alarming distinction highlights the persistent challenge of air pollution facing the city, with PM2.5 levels indicating severe air quality issues.
A and B together can complete a piece of work in 12 days, while B and C can complete it in 15 days. A, B, and C together can complete the same work in 8...
‘A’ alone can do some work in 13 days. ‘B’ and ‘C’ together can do the same work in 18 days. If ‘B’ is half as efficient as ‘A’, the...
P and Q together can do a piece of work in 15 days, Q and R together can do it in 18 days. P starts the work and works on it for 5 days, then Q takes it...
A and B can do a job in 20 days and 30 days, respectively. A and B work together for 5 days, and then A leaves. After how many more days will B complete...
P’s 4 days work is equal to Q’s 5 days work. If P and Q together can complete the work in 20 days then how much time Q will take to complete 40% of ...
'A' can complete a certain task in 60 days, while 'B' can do the same in 45 days. 'A' starts the task and works alone for 18 days, after which 'B' joins...
P and Q can complete a work in 20 days and 30 days, respectively. P, Q and R together can complete the work in 10 days. If R get a total wage of Rs. 480...
A and B together, B and C together and A and C together can complete a piece of work in 14 days, 15 days and 18 days respectively. Find the ratio of the...
If 14 men working 9 hours a day can make 24 quilts in 16 days, then in how many days 20 men working 12 hours per day will make 20 quilts?