50%=1/2 Side =2 Area=6×2×2=24m2 after decrease side-1 Area =6×1×1=6m2 Required Answer=24-6=18 (18/24)×100=75%.
'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 project in 15 days and 10 days, respectively. They started doing the work together, but after 2 days, Shayam had to leave, ...
A isthrice as efficient as B and can finish a piece of work in 32 days less than B. B can finish this work in how many days?
P can do a piece of work in 20 days, Q can do the same piece of work in 24 days while R can do it in 30 days. They started working together but after 4 ...
x men can finish a work in y days. 0.9x women can finish 1/3rd of the same work in (y - 8) days. If 0.8x women can complete 1/3rd work in 36 days. Find ...
24 delivery boys can complete a delivery in 15 days. If 12 boys start the same work, and after 12 days, 'd' more boys join the work, completing the rema...
12 men take 6 days to complete a piece of work. They worked for a period of 2 days. After that, they were joined by 4 more men. How many more days will ...
Ashish and Anil can do a piece of work in 10 days and 15 days respectively. Ashish completed 40% of the work. Find the time taken by Anil to complete th...
‘A’ alone can do some work in 10 days. ‘B’ and ‘C’ together can do the same work in 4 days. If ‘B’ is half as efficient as ‘A’, then...
‘A’ alone can do some work in 22 days. ‘B’ and ‘C’ together can do the same work in 12 days. If ‘B’ is half as efficient as ‘A’, the...