Study the following graph carefully to answer the given questions

The efficiency of L is 25% more than P. L started a work alone and then P joined her 5 days before actual completion of the work. For how many days L worked alone?

If A:B = $$ {3\over 4}$$ : $$ {5\over 2}$$  and B:C= $$ {1\over2}:{3\over 5}$$ then what is the ratio of A:B:C=?

Find the cost in rupees for carpeting a room 65dm× 30 dm at Rs. 45 per sq.m

If x + y + z=1, xy+yz+zx=-26 and x³ + y³+z³=151, then what will be the value of xyz?

The speed of first train is 45km/hr. and the speed of another train is 10m/sec. find the ratio of their speed?

The average of 8 readings is 24.3, out of which the average of the first two is 18.5 and that of next three is 21.2. If the sixth reading is 3 less than seventh and 8 less than eight, what is the sixth reading? 

Direction: Study the following table carefully to answer these questions.

What is the ratio between the total number of students appeared in 2004 and 2005 together from' schools C and D respectively? 

The following table shows the number of units of product produced and sold by a company during six years.

In which two years were the maximum units sold?