Numerical Appli...

A clock strikes the number of times of the hour. How many strikes does it make in one day?

In a Zonal athletic long jump meet the distances jumped by $$10$$ atheletes are: $$205\:cm, 200\:cm, 275\:cm, 260\:cm, 259\:cm, 199\:cm, 252\:cm, 239\:cm, 228\:cm$$ and $$281\:cm$$. Find the arithmetic mean of the jumps.

If the mean of $$7$$,$$9$$,$$11$$,$$13$$,$$x$$,$$21$$ is $$13$$, find the value of $$x$$.

$$17$$ men can complete a piece of work in $$12$$ days. In how many days can $$6$$ men complete the same piece of work?

On what day of the week India will celebrate its Republic day on 26th January,2015?

If $$20$$th September in a year is Wednesday, the number of Fridays in the same month is

A car travelling with $$\displaystyle \dfrac{5}{7} $$ of its usual speed covers $$42$$ km in $$1$$ hour $$40$$ min $$48$$ sec. What is the usual speed of the car?

$$45$$ men working $$8$$ hours a day can finish a project within a given time. Five men are unable to report for the work. How long should the rest work a day to finish the project on time.

If $$10$$ men and $$15$$ women finish a work in $$6$$ days. One man alone finishes that work in $$100$$ days. In how many days will a women finish the work?

$$A,  B$$ and $$C$$ can complete a work in $$10, 12\ and\ 15$$ days respectively. They started the work together, but $$A$$ left the work before 5 days of its completion. $$B$$ also left the work $$2$$ days after $$A$$ left. In how many days was the work completed.