Numerical Appli...

Mr. Leelanand Kumar looks at the calendar for 2012, He finds that April 2012 has exactly four Mondays  and four Fridays. 1st April 2012 would fall on ?

$$36$$  workmen are employed to finish a certain work in  $$48$$  days but it is found that in  $$24$$  days , only $$\dfrac{2}{5}$$ work is done. How many more men must be taken to finish the work in time?

A train leaves from a station and moves at a certain speed. After $$2$$ hours, another train leaves from the same station and moves in the same direction at a speed of $$60$$ mph. If it catches up with the first train in $$ 4 $$ hours, what is the speed of the first train?

$$2$$  men and $$5$$  women can do $$\dfrac{1}{4}$$th  of a job in  $$3 $$days . After  $$3$$  days ,  $$1 $$ man joined team and they completed another$$\dfrac{ 1}{4}$$ th of the job in $$ 2$$ days . How many men can complete the job in  $$4$$ days ?

A , B and C together can complete a piece of work in  $$10$$  days. All the three started working at it together and after  $$4$$  days A left. Then B and C together completed the work in  $$10$$  more days. A alone could complete the work in :

A pump can fill a tank with water in  $$2$$  hours. Because of a leak in the tank, it take $$\dfrac{7}{3}$$ hours to fill the tank. The leak can empty the filled tank in:

A company makes car parts and has a certain quota to meet each day. Every worker in the company can turn out either $$3$$ oil filters or $$16$$ spark plugs per hour. At the end of the $$6$$ hour day, the company needs to have made  $$60$$  oil filters and  $$256$$ spark plugs. How many workers does the company need to employ to meet their quota ?

A tap can fill a tank in  $$16$$  min and another empty it in $$8$$ min. If the tank is already half full and both the taps are opened together, the tank will be

$$6$$ oxen or $$8$$ cows can gaze a field in $$28$$ days. How long would $$9$$ oxen and $$2$$ cows take to graze the same field?

$$6$$ typist working $$5$$ hours a day can type the manuscript of a book in $$16$$ days. How many days will $$4$$ typists take to do the same job, each working $$6$$ hrs a day?