Study the given graph and answer the question that follows.

In how many years was the revenue of the company more than 1.2 times the average expenditure over the given five years?

Two candidates contested an election. One of them got 64% of the votes and won by 434 votes. What was the total number of votes polled? 

The average of two numbers is 62. If 2 is added to the smaller number, the ratio of the numbers becomes 1 : 2. What is the difference between numbers?

If 2sinθ+cosθ= $${7\over3}$$ then the value of (tan²θ-sec²θ) is

$$ {x^{8}+4\over{x^{4}+2x^{2}+2}}$$ is equal to

If each side of a cube is increased by 10%. Then find the percent change in the volume of the cube.

Nisha bought a number of oranges at 2 for a rupee and an equal number at 3 for a rupee. To make a profit of 20% she should sell a dozen for

On dividing 256a²b²c² by 64a², we get