Let the saving increased by x % (15-x)/(22-15) = 9/7 105 - 7x = 63 7x = 42 x = 6%
A work can be completed by ‘A’ and ‘B’, alone in 15 days and 10 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
In an office, an employee plans to do a work in 20 days with 6 laptops. But after 10 days, he found that only 40% of the work is done with the laptops w...
A can complete a work in 15 days. B takes 5 days less than A to complete the same work. In how many days can both of them together complete 60% of the w...
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...
5 girls can do a piece of work in 9 days, 4 boys can do the same piece of work in 8 days, 6 men do the same piece of work in 2 days and 4 women can do t...
'Ajeet' has an efficiency that is 40% lower than 'Chirag's, where as 'Bittu' is 20% more efficient than 'Chirag'. The time difference between 'Bittu' an...
'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?
Ram and Shyam can complete a piece of work together in 15 days. If Shyam is 50% more efficient than Ram, find how long Shyam alon...
P can do a piece of work in 10 days. Q can do it in 16 days. With the help of R, they finish the work in 4 days. In how many days can R alone do the who...
Lata can do 1/3rd of a work in 4 days and Asha can do 1/6th of the same work in 3 days. If both work together then how many days...