Directions : Study the following bar graph and answer the questions.

company (in lakhs of rupees) for the years 1994-1997:

The percentage of net profit of 1995 as compared to the gross profit in that year is

In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x²– 37x + 330 = 0

II. y²– 28y + 195 = 0

How many hemispherical balls can be made from a cylinder 56 cm high and 12 cm diameter, when every ball being 0.75 cm in radius? 

Directions : Study the following bar graph and answer the questions.

company (in lakhs of rupees) for the years 1994-1997:

The year in which the gross profit is double the net profit 

ΔABC ~ ΔPQR. The perimeters of ΔABC and ΔPQR are 72 cm and 43.2 cm, respectively. What is the ratio of the are area of ΔABC to the area of ΔPQR?

The number of coins of radius 0.75 cm and thickness 0.2cm required to be melted to make a right circular cylinder of height 8 cm and base radius 3 cm is:

If 80% of A=50% of B and B = x% of A, then the value of x is :

Water flows into a tank which is 200 m long and 150 m wide, through a pipe of cross-section (0.3m x 0.2m) at 20 km/h. In what time will the water level be 8 m?