Question

answer all

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.

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) (2x + 5)km

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

a) X

2

- 5 x - 500 = 0

b) X

2 + 4x - 400 = 0

c) X

2 + 5x - 500 = 0

d) X

2

- 4x + 400 = 0

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

4. How much time took Ajay to travel 400 km?

e) 20 hour

f) 40 hour

g) 25 hour

h) 16 hour​

Answer 1

$\large \bf \underline \red {Answer}$

1. What will be the distance covered by Ajay’s car in two hours?

a) 2(x +5)km

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

b) X

2 + 4x - 400 = 0

3. What is the speed of Raj’s car?

b) 15 km/hour

4. How much time took Ajay to travel 400 km?

e) 20 hour