41)

A boy increases his speed to \(\frac{9}{5}\) times of his original speed. By doing this, he reaches his school 40 minutes before the usual time. How much time (in minutes) does he take usually?

SSC CPO 2020

A)

120

B)

30

C)

45

D)

90

42)

A takes 2 hours 30 minutes more than B to walk 40 km. If A doubles his speed, then he can make it in 1 hour less than B. What is the average time taken by A and B to walk a 40 km distance ?

SSC CPO 2020

A)

5 hours 15 minutes

B)

7 hours 15 minutes

C)

6 hours

D)

5 hours 45 minutes

43)

A train covers 400 km at a uniform speed. If the speed had been 10 km/h more, it would have taken 2 hours less for the same journey. What is the usual time taken (in hours) by it to complete the journey?

SSC CPO 2020

A)

12

B)

15

C)

8

D)

10

44)

A car runs first 275 km at an average speed of 50 km/h and the next 315 km at an average speed of 70 km/h. What is the average speed ( in km/h) for the entire journey?

SSC CGL 2022

A)

58.5

B)

62

C)

59

D)

60

45)

The ratio of the speeds of two trains is 2 : 7. If the first train runs 250 km in 5 hours, then the sum of the speeds (in km/h) of both the trains is:

SSC CGL 2022

A)

175

B)

225

C)

150

D)

250

46)

A journey of 900 km is completed in 11 h. If two-fifth of the journey is completed at the speed of 60 km/h, at what speed (in km/h) is the remaining journey completed?

SSC CGL 2022

A)

84

B)

72

C)

108

D)

90

47)

A train covers a distance of 225 km in \(2\frac{1}{2}\) hours with a uniform speed. The time taken, in hours, to cover a distance of 450 km with the same speed is:

SSC CGL 2022

A)

5

B)

3

C)

4

D)

6

48)

A train covers a distance of 225 km in \( 2\frac{1}{2} \) hours at a uniform speed. The time taken by the train (in hours) to cover a distance of 630 km at the same speed is:

SSC CGL 2022

A)

4

B)

7

C)

6

D)

5

49)

A person travels 5x distance at a speed of 5 km/h, x distance at a speed of 5 km/h, and 4x distance at a speed of 6 km/h, and takes a total of 112 minutes. What is the total distance (in km) travelled by the person?

SSC CGL 2022

A)

10

B)

8

C)

12

D)

9

50)

A takes 3 hours more than B to walk 'd' km. If A doubles his speed, then he can make it in 1 hour less than B. How much time (in hours) does A require to walk 'd' km?

SSC CGL 2022

A)

5

B)

4

C)

9

D)

8