Direction: Read the following graph carefully and answer the following questions:
The following bar graph shows the quantity(in kg) of wheat, rice, pulses and salts sold by two companies P and Q in the month of January.

What is the difference between the quantity of salts sold by company P and Q together and the quantity of wheat sold by company P?

If   $$ a={b^2\over b-a} $$  then the value of a³ + b³ is 

The price of petrol is increased by 25%. By how much percent a car owner should reduce his consumption of petrol so that the expenditure on petrol would not be increased?

if $$m+{1\over(m-2)}=4$$,then find the value of  $$ (m-2)^2+ \left({{1\over {m-2}}} \right)^2 \ $$

If x = – 1, then the value of   $$ {1\over x^{99}}+{1\over x^{98}}+{1\over x^{97}}+{1\over x^{96}}+{1\over x^{95}}+{1\over x^{94}}+x $$ is

Directions: The sub divided bar diagram given below depicts Higher secondary Students of a school for three years. Study the diagram and answer the questions

The percentage of the students passed with 2nd division in the year 2010 was 

? – 2³ =(7² – 12 ) + ( 10² -17)

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

I. x²– 35x + 294 = 0

II. y²– 68y + 1140 = 0