Using the method of semi-averages, secular trend is measured when:
The correct answer is C
A2 type ‘P’ pipes can fill a tank in 450 hours, while B2 type ‘Q’ pipes can fill the same tank in 6...
Working in a shift of 5 hours 39 workers take 12 days to build a stretch of highway. In how many days will 30 workers working 6 hours a day, complete th...
P and Q together can do a job in 6 days, Q & R can finish the same work in 60/7 days. P started the work and worked for 3 days. Q & R continued ...
"A certain sales target can be completed by a team of both men and womens in 60 days. If you replace eight womens with eight men, the same target can be...
Some Category of workers can complete a decided project in 20 days. However, due to some unpredicted situation, 5 workers were absent. That’s why, the...
Akhil and Nikhil together can complete a work in 6 days while Nikhil alone takes 18 days to complete 60% of the work. If the efficiency of Sachin is 25%...
Ram can do a piece of work in 50 days. He alone worked at it for 20 days and then Lakshman completed alone the rest work in 30 days. In how many days, t...
A and B together, B and C together and A and C together can complete a piece of work in 10 days, 14 days and 18 days respectively. Find the ratio...
A work can be completed by ‘A’ and ‘B’, alone in 14 days and 7 days, respectively. Find the number of days taken by ‘C’ to complete the same...
The ratio of efficiencies of X and Y for doing a certain work is 5 ∶ 9. Working together, they can complete a work in 15 days. X alone will complete 6...
