It is known that 9 pipes can fill a talk in 12 days working 5 hours a day. for how hours a day should 4 pipes be opened to fill a tank twice in capacity provided, there are only 30 days for the process.
OPTION:-
A) 10 hrs
B) 7 hrs
C) 8 hrs
D) 9 hrs
Answers
Answered by
1
for 9 hours option D.
allaboutprograms143:
but how
2(9×12×5)= 4×30× x
x={ 2(9×12×5)}÷(4×30)
x = 9
got right ans, thnx bro
Similar questions