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?

Which of the following quadratic equations has real roots?

The diameter of the circle with center O is AB. PQ is the chord that does not intersect AB. Join AP and BQ. If ∠BAP = ∠ABQ,  then what will be ABQP?

If the ratio of the heights of two identical triangles is 4: 9, find the ratio of the areas of the two triangles.

Direction : The table given below represents number of bikes of five different brands sold from 2001- 2005, with the help of data given in the table, answer the following questions.

What is the ratio of average sales of TVS in year 2002 and 2005 to the average sales of Honda in year 2001 and 2004?

A shopkeeper bought 25 kg. of pulses at the rate of Rs. 54 kg. He sold forty percent of the total quantity at the rate of Rs. 50 per kg. at what price per kg should he sell the approximately quantity to make 25% overall profit ?

A student multiplies a number by 5/3 instead of 3/5. What is the percentage error in the calculation?

A whole number is added to 50 and the same number is subtracted from 50. The sum of the resulting numbers is