Eight 3rd year students can finish an experiment in 15 days and eighteen 1st year students can complete the same experiment in 10 days. If all these…
Eight 3rd year students can finish an experiment in 15 days and eighteen 1st year students can complete the same experiment in 10 days. If all these students work together, in how many days will the experiment get completed?
Select an option to attempt
Correct Answer: Option C
Explanation
Rate of work done = fraction of experiment completed per day. Rate of 8 senior students =experiment/day. Rate of 18 junior students =experiment/day. Combined rate =experiment/day. Time taken =days.