Numerical Appli...

Find the mean of $$43, 51, 50, 57$$ and $$54$$

Find the mean of $$43, 51, 50, 57$$ and $$54$$.

Find the mean of the following data: $$18, 33, 30, 21$$ and $$13$$.

$$12$$ men can complete a piece of work in $$16$$ days. How many days will $$4$$ men take to complete the task?

$$A$$ does half as much work as $$B$$ in three fourth of the time. If together they take 18 days to complete a work, how much time shall $$B$$ take to do it?

$$P$$ can complete a work in $$12$$ days working $$8$$ hours a day. $$Q$$ can complete the same work in $$8$$ days working $$10$$ hours a day. If both $$P$$ and $$Q$$ work together, working $$8$$ hours a day, in how many days can they complete the work?

The average of eight numbers is $$38.4$$ and the average of seven of them is $$39.2$$. What is the eighth number?

The runs scored by Sachin in $$5$$ test matches are $$140$$, $$153$$, $$148$$, $$150$$ and $$154$$ respectively. Find his mean