A) 8 minutes
B) 6 minutes
C) 5 minutes
D) 7.5 minutes
Correct Answer: B
Solution :
A produces K litres of chemical in \[\frac{1}{10}\]min and B produces K litres of chemical in \[\frac{1}{15}\] min Then, both A and B produces K litres of chemical in \[\frac{1}{10}+\frac{1}{15}\]\[=\frac{3+2}{30}=\frac{5}{30}\] \[\Rightarrow \] A and B produces K of chemical in 6 min.You need to login to perform this action.
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