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 

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

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

? – 2³ =(7² – 12 ) + ( 10² -17)

If△ABC ∼ △EDF such that AB = 6 cm, DF = 16 cm and DE = 8 cm, then the length of BC is:

Two vessels A and B contains acid and water in the ratio 4:3 and 5:3 respectively Then the ratio in which these mixtures to be mixed to obtain a new mixture in vessel C containing acid and water in the ratio 3:2 is 

If $${secθ+tanθ\over secθ-tanθ}={5\over 3}$$ then sinθ is equal to ;

if $$a+{1\over a}=5$$, then what is the value of $$a^3+{1\over a^3}$$