Question
 Ajay, Bablu and Chirag can complete a certain work in
21, 28 and 15 days respectively. Ajay and Chirag started the work while Bablu joined them after 3 days and worked with them till the completion of the work. For how many days Bablu worked?Solution
Ajay    Bablu  Chirag 21       28       15            420                 LCM of 21,28,15 20       15       28 Ajay And Chirag both working 3 days = (20+28) ×3=144 Remaining work=420-144=276 Remaining work complete by Ajay Bablu and Chirag =276/63 =92/21=4(8/21) days
Blossom end rot in tomato is due to deficiency of ___
Which one of the following is the delta of crop if the duty of water for a base period of 120 days is equal to 1200 ha.?
Which of the following is not a benefit of seed hardening?
By providing favourable conditions in earth Metamorphosed limestone becomes :
What is the primary function of humus in soil?
Botanical name of Lemon grass :
The sulphur (S) containing mineral is:
An advance form of organizational design is .............................?
Ecology is the scientific study of the relationships between living organisms and their environment. Who first proposed the term "ecology"?
Ratio of Evapotranspiration to potential evapotranspiration is known as ………………
Relevant for Exams:
