51)

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

52)

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

53)

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

54)

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

55)

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

56)

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

57)

Shyam drives his car 30 km at a speed of 45 km/h and, for the next 1 h 20 m, he drives it at a speed of 51 km/h. Find his average speed (in km/h) for the entire journey.

SSC CGL 2022

A)

49

B)

47

C)

48

D)

48.5

58)

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

59)

A car covers a distance of 90 km in 50 min. What is its speed (in m/s)?

SSC CGL 2022

A)

108

B)

90

C)

60

D)

30

60)

Akhil rides first 12 km at a speed of 16 km/h and further 6 km at a speed of 20 km/h. Find his average speed (in km/h).

SSC CGL 2022

A)

\(17\frac{1}{2}\)

B)

\(18\frac{1}{5}\)

C)

\(16\frac{4}{5}\)

D)

\(17\frac{1}{7}\)