The amount of Rs 400 becomes Rs 480 in 4 years. If the rate of interest is increased by 2 percent, how much will it be?

Aman and Ajay can build a wall in 9 days and 12 days respectively. In how many days can they finish the work if they work together?

Running at the speed of 3 km/hr., a person reaches his destination 10 minutes later than usual time. if he increases his speed by 1 km/hr., he reaches his destination 15 min earlier. and the distance to his destination.

The diameter of a circle is 112 cm. What is the circumference of this circle? [use $$π={22\over 7}$$]

If circumference of first circle is 132 cm and circumference of second circle is 110 cm then find the difference between area of both the circle?

if $$x-{1\over 5},x≠0,$$ then what is the value of $${x^6+3x^3-1}\over x^6-8x^3-1$$=?

24 women take 14 days to complete a piece of work which can be completed by 14 men in 12 days. 18 men started working and after 5 days, 10 men left and 8 women joined them. How many days will it take them to complete the remaining work?

Directions: Answer the questions based on the information given below:
The following line graph shows revenue and expenditure of company A for 5 years (in Lakhs):

What is the difference between revenue and expenditure of company A over the year?