Question
A boat goes downstream for 44 km and immediately return.
It took the boat twice as long as to make the return trip. If the speed of river flow were twice as high, the trip would take 660 minutes, find the speed of boat?Solution
_______ is the general term for a buying and selling process that is supported by electronic means.
Who developed porous porcelain candle in the year 1884 to eliminate microbes from water?
A soil with 30% sand, 40% silt, and 30% clay is classified as:
The C horizon in a soil profile primarily consists of:
Imaginary lines connecting points of equal amount of rainfall are called asÂ
Match List I with List II:
Choose the correct answer ...
Which group of crops is more suited for organic farming in Bundelkhand region of Uttar Pradesh?
Irrigation requirement of 90 days duration maize variety is 50 cm. How much area can be irrigated with a flow rate of 20 litre per second for 8 hours in...
Potato is mainly propagated by
Yellow mosaic resistant variety of Moong is:Â