If Rs 1380 is divided into A, B and C in such a way that A gets 5 times B's share and 3 times C's share. Then what is the value of C parts?

The following pie-chart shows the study-time of different subject of a student in a day. Study the pie chart and answer the following questions.If the student studies 10 hours in a day, then he/she studies mathematic for

A tap can fill a Tank in 16 hours. Due to a hole in its base it is filled in 24 hours, If tank is full then in how many hours it will be empty through the hole. 

A trader sold an article at profit of 20%. Had he bought that article at 60% less price and sold it at Rs 90 less, then he would have gained 50%. What is the value (in Rs) of cost price? 

What approximate value should come in place of the question mark(?) in the following question?
5223÷36×0.93=?

Diameter of a cycle wheel is 14 cm. A cyclist takes 30 minutes to reach a destination at a speed at 11 km/h. How many revolutions will the wheel make during the journey?

The average of nine numbers in M and the average of three of these is P. If the average of remaining numbers is N, then