Question

Raj and Ajay are very close friends. Both the families decide to go to Ranikhet by their own cars. Raj’s car travels at a speed of x km/h while Ajay’s car travels 5 km/h faster than Raj’s car. Raj took 4 hours more than Ajay to complete the journey of 400 km.

Which of the following quadratic equation describe the speed of Raj’s car?

पर्याय

• x² − 5x − 500 = 0

• x² + 4x − 400 = 0

• x² + 5x − 500 = 0

• x² − 4x + 400 = 0

Answer 1

x² + 5x − 500 = 0