If, we have any quadratic equation of the form , where a, b, c are real numbers and then how can we determine about the nature of roots of such quadratic equation?

# Archives for May 2012

## Sample Problem Quadratic Equations using Quadratic Formula Chapter 4 Quadratic Equations Exercise 4.3 Q11

**Using Quadratic Formula to solve Quadratic Equations**

**Ncert Solutions Chapter 4 Quadratic Equations Exercise 4.3 Q11 Download this solution**

**11. Sum of areas of two squares is . If, the difference of their perimeters is 24 metres, find the sides of the two squares.**

## Sample Problem Quadratic Equations using Quadratic Formula Chapter 4 Quadratic Equations Exercise 4.3 Q10

**Using Quadratic Formula to solve Quadratic Equations**

**Ncert Solutions Chapter 4 Quadratic Equations Exercise 4.3 Q10 Download this solution**

**10. An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If, the average speed of the express train is 11 km/h more than that of the passenger train, find the average speed of two trains.**

## Sample Problem Quadratic Equations using Quadratic Formula Chapter 4 Quadratic Equations Exercise 4.3 Q9

**Using Quadratic Formula to solve Quadratic Equations**

**Ncert Solutions Chapter 4 Quadratic Equations Exercise 4.3 Q9 Download this solution**

**9. Two water taps together can fill a tank in hours. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.**

- « Previous Page
- 1
- …
- 10
- 11
- 12