11)

A train travels at a speed of 66 km/h and halts at five junctions for a certain time. It covers a distance of 1485 km in one day. For how long (in minutes) does the train stop at each junction, if it halts for the same period of time at all the junctions?

SSC CHSL 2021

A)

20

B)

15

C)

18

D)

12

12)

During his morning walk, Atul walks for 45 minutes at a speed of 8 km/h and takes 15 rounds of a park. Shekhar takes 10 rounds of the same park in 40 minutes. What is the speed of Shekhar in km/h?

SSC CHSL 2021

A)

6

B)

7.2

C)

7.5

D)

6.75

13)

A train is running at a speed of 99 km/h. If the train is 565 m long, then what will be the time (in seconds) taken by it to cross a 975 m long tunnel?

SSC CHSL 2021

A)

54

B)

40

C)

42

D)

56

14)

Dimple is travelling at a speed of 90 km per hour on a highway, while Sachin is travelling at a speed of 108 km per hour. What is the difference in their speeds, in metres per second?

SSC CHSL 2021

A)

5

B)

6

C)

4

D)

3

15)

The speed of a car is 40% more than that of a bus. A train covers 1020 km in \(8\frac{1}{2}\)hours. How much distance will the car cover in \(1{3\over4}\) hours if the speed of the bus is half the speed of the train?

SSC CHSL 2021

A)

164 km

B)

145 km

C)

147 km

D)

174 km

16)

With a speed of 48 km/h, Raghu is able to complete his journey in 2 hours 28 minutes. If he wants to cover the same distance in 1 hour 36 minutes, then what should be his new speed?

SSC CHSL 2021

A)

64 km/h

B)

66 km/h

C)

72 km/h

D)

74 km/h

17)

A bus covered 360 km in 6 hours. If it travels at one-fourth of its usual speed, then how much more time will it take to cover the same distance?

SSC CHSL 2021

A)

16 hours

B)

12 hours

C)

14 hours

D)

18 hours

18)

A car takes 50 minutes to cover a certain distance at a speed of 54 km/h. If the speed is increased by 25%, then how long will it take to cover three-fourth of the same distance?

SSC CHSL 2021

A)

40 minutes

B)

30 minutes

C)

35 minutes

D)

25 minutes