Question
The natural aging of a lake by nutrient enrichment of
its water is termed as:Solution
Eutrophication is the natural aging of a lake by nutrient enrichment of its water. It is due to the release of fertilisers from the field or runoff water and industrial wastes. A large amount of nitrogen and phosphate results in lakes appearing green.
30 workers putting in 8 hours a day finish a task in 10 days. How many days will it take for 20 workers working 12 hours daily to finish the same task?
P does one fourth as much work as Q in two third of the time. If together they take 24 days to complete the work, how much time shall Q take to do it?
- 'P' and 'Q' together can complete a task in 20 days. 'P' alone would take 12 days fewer than 'Q' to finish it. How many days would 'Q' take to do the work ...
‘P’ can complete 80% of a task in 32 days and ‘Q’ can do 60% of the task in 54 days. If ‘P’, ‘Q’, and ‘R’ all work together, they ca...
15 men working 9 hours daily can finish a task in 36 days, while 18 women working 6 hours a day complete the same task in 72 days. How many days will 6 ...
A group of 'x' men can finish a job in 46 days. If 8 additional men had joined the group, they could have completed the same job 16 days earlier. Assumi...
- (x + 9) laborers complete 45% of a task in 12 days working 5 hours/day. The rest is done by (x + 4) laborers in 18 days working 5 hours/day. Find x.
X, Y and Z can do a piece of work in 90 days, 40 days and 120 days respectively. If they all work together alternatively starting with X, Y than Z respe...
A, B and C can complete a work in 10, 20 and 15 days respectively. A left the work 3 days before the work was completed and B left 1 days after A had le...
'B' is 37.5% more productive than 'A'. Together, they can finish a task in 40 days. How many days would it take for 'A' alone to complete the entire task?
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