Pure alcohol = 20 litres Quantity of water to be added = 20 x 0.75 = 15 litres
A and B individually can complete the work in 30 days and 45 days respectively. If the time taken by C alone to complete the work is 1.5 times the time ...
A and B together can complete a job in 2 days. A alone takes x + 6 days to complete the job, while B alone takes x + 24 days to complete the same job. <...
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...
It takes "Aditi" 12 days alone herself to complete a task. The differences in efficiency between "Beena" and "Aditi" are 20% and 25%, respectively. "Adi...
12 man can make a wall in 5 days. How many men required to complete the same work in 6 days ?
‘A’ and ‘B’ can do a piece of work in 22 days and 25 days, respectively. If they started the work together and worked on it for 6 days, then fin...
A’ and ‘B’ together can complete a work in 25 days while ‘A’ takes 30 days to complete the same work alone. If ‘C’ is 20% more efficient t...
A work can be completed by ‘A’ and ‘B’, alone in 20 days and 10 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
The efficiency ratio of D, E, and F is 1:2:5. Together, they complete a project in 16 days. If D and E contribute for 14 days and leave, how long will F...
A man, a woman and a girl can together complete a piece of work in 60 days. If 10 men can do it in 16 days and 8 girls can finish it in 30 days, how lon...
