Question
Pipe A can fill a tank in 12 hours and pipe B takes 18
hours to fill it. Both pipes were open together and a leak was spotted which increased the filling up time by 48 minutes Find how many hours it will take for the leak to empty a full tank.Solution
Time of A and B for filling the tank = (12Ă—18)/12+18 =216/30=7hours 12minute. Total time (A+B+C) 48 minute more than (A+B)- A+B+C =8 hours ABA+B+CC 12188 72 649-1 Efficiency of leak =9-(6+4) = -1 Leak will empty the whole tank =72/1 =72minÂ
Concentration of argon in the atmosphere is
Movement of leaves of sensitive plant, Mimosa pudica are due to
The headquarter of Cotton Corporation of India is located at
A farm on which 50% or more of the receipts are from sugarcane would be classified as sugarcane farm, this is an example...
Minerals absorbed by root move to the leaf through_____
……………………….is the prominent member of 1:1 type group in which one tetrahedral and one octahedral layer is present.
...The disorder found in mango which is caused due to improper pollination and fertilisation is
Examples of erosion permitting crops are:
All phenomenon of weather and climate takes place in
The downward entry of water into the soil is known as