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Since the train covers different distance with different speeds. So, Average speed = Total Distance/Total Time Total distance = 80 + 50 + 60 = 190 km Time1 = 80/55, Time2 = 50/40 & Time3 = 60/80 Total Time = 80/55 + 50/40 + 60/80 Therefore, Average Speed = 190/(80/55 + 50/40 + 60/80) = 55 km/hr
Field planting season for poplar tree is
Which among the following weeds causes dropsy disease in human beings:
The validity period of the seed certificate is :
‘Murrah’ is a popular breed of
Treatment of disease, caused by brucellosis of goat which results in abortion of embryo, infertility of bucks is prevented by-
Match List-I with List-II
Choose the correct answer fr...
Match List I with List II
Choose the correct answ...
Supply chain lead time is the sum of time taken for ..........................?
Which of the following is a cultural method of weed control?
Rothamsted Experiment Station was established by ______