Total capacity of tank = 60 {LCM of 20 and 15} Efficiency of pipe 'Q' = 60/20 = 3 units per hr Efficiency of pipe 'R' = 60/15 = 4 units per hr Required time = 60/7 = 8(4/7) hrs Hence, option c.
Which of the following is not a stem modification?
Match Lis I with List II
Choose the correct answer f...
Etawah Pilot Project was launched under the leadership of
Which type of microbial inoculant is used to improve the availability of phosphorus to plants in soil with low phosphorus content?
Which of the following is a part of stomach of ruminants?
The law of diminishing return was proposed by
Which measure involves cultivating erosion resisting and permitting crops in strips across the slope to break long slopes and prevent soil loss?
Rice plants prefer absorption of N fertilizer in form of
Site of protein synthesis in a cell is
Which amendment deals with urban local governance, similar to the 73rd amendment for rural areas?