Time, Speed and Distance SSC CHSL Questions

SSC CHSL-Quantitative Aptitude

Time, Speed and Distance MCQ Questions


7.
Train A takes \(1\dfrac{4}{5}\) h more than the time taken by train B to cover a distance of 360 km. If the speed of train A doubles, it will take 36 min less than the time taken by train B to travel the same distance. What is the speed (in km/h ) of train B?
SSC CHSL 2021-13.04.2021-2
A.
96
B.
100
C.
90
D.
120
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ANSWER :
D. 120
8.
A straight vertical pole was broken during a cyclone in such a way that its top touched the ground at a distance of \(6\sqrt{3}\) m from the bottom of the pole and made an angle of 30° with the horizontal. What was the height (in m) of the pole?
SSC CHSL 2021-13.04.2021-2
A.
18
B.
\(12\sqrt{3}\)
C.
12
D.
\(18\sqrt{3}\)
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ANSWER :
A. 18
9.
A person moved from place A for place B at 2 p.m. at a speed of 4.5 km/h, stayed at place B for 1.5 hours and returned to place A at a speed of 6 km/h. He came back to place A at 7 p.m. What is the distance between places A and B (in km)?
SSC CHSL 2021-13.04.2021-3
A.
\(8\dfrac{1}{3}\)
B.
\(8\dfrac{2}{5}\)
C.
9
D.
\(9\dfrac{6}{11}\)
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ANSWER :
C. 9
10.
Two persons P and Q are 844 m apart. They both start cycling simultaneously in the same direction with speeds of 12 m/s and 8 m/s, respectively. In how much time will P overtake Q?
SSC CHSL 2021-15.04.2021-2
A.
3 minutes and 20 seconds
B.
3 minutes and 31 seconds
C.
3 minutes and 18 seconds
D.
3 minutes and 24 seconds
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ANSWER :
B. 3 minutes and 31 seconds
11.
Vaibhav and Vignesh each travel a distance of 78 km such that the speed of Vaibhav is faster than that of Vignesh. The sum of their speeds is 91 km/h and the total time taken by both is 3 hours and 30 minutes. The speed of Vaibhav is:
SSC CHSL 2021-15.04.2021-3
A.
48 km/h
B.
45 km/h
C.
52 km/h
D.
54 km/h
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ANSWER :
C. 52 km/h
12.
A bicycle wheel has a radius of 42 cm. It makes 40 revolutions in 25 seconds. Whatis its speed (in km/h, up to one decimal place)?
SSC CHSL 2021-16.04.2021-1
A.
3.5
B.
11.6
C.
15.2
D.
9.5
😑 View Answer Rough Work Error
ANSWER :
C. 15.2