Sample Materials of SSC CGL (Tier -2) Study Kit

Subject: Numerical Aptitude

Topic: Time And Distance

1.The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and for journey is 17 hours, covering a distance of 800 km. The speed of the train in the onward journey is:

(a) 50 km/hr
(b) 53 km/hr
(c) 52 km/hr
(d) 56.25 km/hr

2. I started on my bicycle at 7 a.m. to reach a certain place. After going a certain distance, my bicycle went out of order. Consequently, I rested for 35 minutes and came back to my house walking all the way. I reached my house at 1 p.m. If my cycling speed is 10 kmph and my walking speed is 1 kmph, then on my bicycle I covered a distance of:

3. A, B and C are on a trip by a car. A drives during the first hour at an average speed of 50 km/hr. B drives during the next 2 hours at an average speed of 48 km/hr. C drives for the next 3 hours at an average speed of 52 km/hr. They reached their destination after exactly 6 hours. Their mean speed was:

(a) 50 km/hr
(b) km/hr
(c) 51 km/hr
(d) 52 km/hr

4. A man on tour travels first 160 km at 64 km/hr and the next 160 kin at 80 km/hr. The average speed for the first 320 km of the tour is:

(a) 35.55 km/hr
(b) 38 km/hr
(c) 71.11 km/hr
(d) 75 km/hr

5. A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately :

(a) 10.4 km/hr
(b) 10.8 km/hr
(c) 12 km/hr
(d) 14 km/hr

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