Kamal saves x% of her monthly income. When her monthly expenditure is increased by 20% and the monthly income is increased by 26%, then her monthly savings increased by 60%. What is the value of x?

The average score in Mathematics of 90 students of section A and B of class IX was 63. The number of students in A were 10 more than those in B. The average score of students in A was 30% more than that of students in B. The average score of students in B is:

Adding 335 to 5A7 results in 8B2. The number 8B2 is divisible by 3. Accordingly, what will be the maximum possible value of A?

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?

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 ?