Question
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, they will complete the whole work, working together?Solution
Efficiency of Ram = 100/50 = 2% Work done by Ram in 20 days = 20/50 × 100 = 40% Remaining work = 60% Efficiency of Lakshman = 60/30 = 2% Therefore, required number of days = 100/((2+2)) = 100/4 = 25 days
True potato seed concept was given by____
Which of the following is not matched correctly?
What is the validity period of the seed certificate after tagging?
The cultivation of wheat and barley started in _____ B.C.
ICAR- Central Institute of Cotton Research is located at ___
Element required for seed formation is
One of the most important oilseed crop groundnut contains ___% oil.Â
Which of the following shows epigeal germination
What is an "L.F.R Report" in seed certification?
Which implement is used to break hard pan in soil