Question
Drum culture technique is used to determine WR of
which cropSolution
Drum culture technique is used to determine water requirement of lowland rice. In this method, four drum of size 50×50×50 cm are taken i.e. A, B, C and D. A and B have bottom while C and D are without bottom. All the drums are embedded in soil leaving 20 cm above soil surface. Rice is transplanted in drum A, C & D. and rice seedlings without roots are planted in drum B and the data on percolation, evaporation, ET, transpiration and effective rainfall is obtained.
15 men can finish a work in 16 days by working 6 hours a day. How many more men are needed to finish the work in 10 days by working 8 hours a day?
‘M’ alone can complete a work in 18 days. ‘N’ is 50% as efficient as ‘M’. How long will they take to complete the work together?
...‘A’ and ‘B’ alone can do a certain work in 30 days and 40 days, respectively. Both started the work together but after ‘x’ days ‘A’ left...
X men can complete the piece of work in 36 days and (X + 35) men can complete the same work in 14 days less than that of days taken by X men. Find the v...
A and B finish a job together in 36 days, while B and C together finish it in 48 days. The trio completes 75% of the job in 18 days. In how many days wi...
How can we determine the value of x, given that (x+8) workers, working 9 hours a day, can finish 60% of a task in 12 days, and (x+2) workers, working 3 ...
- C is 37.5% more efficient than A, and A is 60% more efficient than B. If A, B, and C together can complete a task in 40 days, how long will it take A alone...
- Two pipes X and Z can fill a tank in 36 hours and 48 hours respectively, while pipe Y can drain the tank in 72 hours. If pipes X and Z are opened together ...
A is capable of finishing a task in 60 days. B requires 40% more time than A to finish the same task. How many days will A and B need to complete 80% of...
A, B and C are hired at Rs 1050 to do a piece of work. A and B together complete 19/23 part of the work. And B and C together complete 8/23 of the work....