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.
Question 1
What will be the distance covered by Ajay’s car in two hours?
(a) 2(x + 5) km
(b) (x - 5) km
(c) 2(x + 10) km
(d) 2(x + 5) km
Question 2
Which of the following quadratic equation describe the speed of Raj’s car?
(a) x
2
-5x-500=0
(b) x
2
- 4x-400=0
(c) x
2
+5x-500=0
(d) x
2
-4x+400=0
Question 3
What is the speed of Raj’s car?
(a) 20 km/hour
(b) 15 km/hour
(c) 25 km/hour
(d) 10 km/hour
Question 4
How much time took Ajay to travel 400 km?
(a) 20 hour
(b) 40 hour
(c) 25 hour
(d) 16 hour