Question
A boat covers 13 km upstream in 52 min. If the speed of
the current is 3 km / h, then in how much time will it cover 40 km downstream?Solution
Let the speed of boat in still water =B and speed of stream =S Speed of boat in upstream =B-S=13Ă60/52 =15km/h S=3km/h B=18km/h Speed of boat in downstream =B+S=21km/h Take time cover 40km in downstream =40/21 =1(19/21)
Yellow mosaic in soyabean is caused by
Mineral nutrient refers to
Depending upon the variety, the recommended seed rate for planting of sugarcane in Punjab ranges between:
Protein in milk is called
Which of the following is not a method of calculating National Income?
What does LP stand for in the context of milk preservation?
The characters for which genes are located on sex or âXâ or analogous âZâ chromosomes are known as
...Which ministry under Govt. of India is the administrative ministry for implementation of FSSAI?
The planning commission divided the country in how many agroclimatic zones
Prosopis cinerea and Cenchrus ciliaris are good fodder tree + grass combination for