A Boy can swim 12 km/hr in still water. If the velocity of the stream is 6 km/hr, the time taken by him to swim a place 28 km upstream and back is
Rate downstream = 12 + 6 = 18 km/hr Rate upstream = 12 – 6 = 6 km/hr ∴ Required time = 28/18 + 28/6 = 56/9 = `6(2)/9` hr.
Which one of the following varieties is hybrid in rice crop?
Which of the following is not a factor of production?
In north India, sugarcane is mostly used with how many buds?
Angle formed by a attached branch to the trunk
Varalaxmi is a hybrid developed in
Assuming bulk density and particle density of a soil as 1.5 and 2.5 g/cc, respectively, value of porosity will be:
Zea mays identata is:
Pradhan Mantri Fasal Beema Yojana started in which year?
Adsali crop of sugarcane takes a period of maturity of
Red color of soil is associated with
