Time, Speed & Distance (Advanced) : Time, Speed & Distance (Advanced)
Ques.1: If the maximum speed that I can travel is 1.5 times my average speed, what is the maximum % of time I can spend in lunch on the way back, to reach Pune on time? : Ques.1: If the maximum speed that I can travel is 1.5 times my average speed, what is the maximum % of time I can spend in lunch on the way back, to reach Pune on time?
Slide 3 : Answer
is 33%.
Ques.2: We overtake a convoy of trucks which extends for 500 m. I find that it takes me exactly 30 seconds to do so. If we were travelling at 72 km/h then, what was the convoy’s speed? : Ques.2: We overtake a convoy of trucks which extends for 500 m. I find that it takes me exactly 30 seconds to do so. If we were travelling at 72 km/h then, what was the convoy’s speed?
Slide 5 : Answer
is 12 kmph
Ques.3 : On my way back, I find my friend travelling by train on a parallel track in the same direction. I sing a song for him which goes on for 5 minutes. Our car is travelling at 64 km/h and the train at 55 km/h. What is the length of the train? : Ques.3 : On my way back, I find my friend travelling by train on a parallel track in the same direction. I sing a song for him which goes on for 5 minutes. Our car is travelling at 64 km/h and the train at 55 km/h. What is the length of the train?
Slide 7 : Answer
is 750 m.
Slide 8 : Ques.4 : Around the time I start from P, my friend starts from Q towards each other. We meet at 1/3rd the distance from P. What is my friend’s speed as a percentage of mine?
Slide 9 : Answer
is 200%.
Ques.5: Two persons X and Y start running along the circumference of a circular track of 12 km length @ 15 kmph and 5 kmph resp. After how much time they will meet at the starting point? : Ques.5: Two persons X and Y start running along the circumference of a circular track of 12 km length @ 15 kmph and 5 kmph resp. After how much time they will meet at the starting point?
Slide 11 : Answer
is 2 hrs
& 24 min
Ques.6 : Two persons X and Y start running along the circumference of a circular track of 12 km @ 8 kmph and 5 kmph respectively in the same direction. After how much time they will meet? : Ques.6 : Two persons X and Y start running along the circumference of a circular track of 12 km @ 8 kmph and 5 kmph respectively in the same direction. After how much time they will meet?
Slide 13 : Answer
is 4 hrs.
Ques.6(a): How many points are there on the track, at which X and Y will meet, including the starting point? : Ques.6(a): How many points are there on the track, at which X and Y will meet, including the starting point?
Slide 15 : Answer
is 3 points
Ques.7:Three persons start running towards a circular track of 18 km length @ 7 kmph, 9 kmph & 13 kmph resp. After what time will they meet ? How many points are there where they will meet on the track, including the starting point? : Ques.7:Three persons start running towards a circular track of 18 km length @ 7 kmph, 9 kmph & 13 kmph resp. After what time will they meet ? How many points are there where they will meet on the track, including the starting point?
Slide 17 : Answer : 9 hrs & two points.
Ques.8 : A can give B a start of 12 m or 3 sec. in a 1 km race. How much time will A & B take to complete the race? : Ques.8 : A can give B a start of 12 m or 3 sec. in a 1 km race. How much time will A & B take to complete the race?
Slide 19 : A – 247 sec.
& B – 250 sec
Ques.9: A and B run a km race and A wins by 60 sec. A and C run a km race and A wins by 375 metres. B and C run a race and B wins by 30 sec. Find the time B takes to run a km. : Ques.9: A and B run a km race and A wins by 60 sec. A and C run a km race and A wins by 375 metres. B and C run a race and B wins by 30 sec. Find the time B takes to run a km.
Slide 21 : Answer
is 3.5 min.
Ques.10: R & S are standing at place A and they both start moving towards B, which is at a distance of 35 km, @ 9 kmph & 5 kmph respectively. R reaches B and returns and meets S at a point P. What is the dis. between B and P? : Ques.10: R & S are standing at place A and they both start moving towards B, which is at a distance of 35 km, @ 9 kmph & 5 kmph respectively. R reaches B and returns and meets S at a point P. What is the dis. between B and P?
Slide 23 : Answer
is 10 km.
Ques.11 : A & B are at a dist. of 600 m, start towards each other @ 40 & 32 kmph. As they start, a bird sitting at the cap of A, starts flying towards B, touches B & then returns towards A & so on, unless they meet. What is the dis. traveled by the bird, if its speed is 216 kmph? : Ques.11 : A & B are at a dist. of 600 m, start towards each other @ 40 & 32 kmph. As they start, a bird sitting at the cap of A, starts flying towards B, touches B & then returns towards A & so on, unless they meet. What is the dis. traveled by the bird, if its speed is 216 kmph?
Slide 25 : Answer
is 1.8 km.
Ques.12:Arun, Barun and Kiranmala start from the same place and travel in the same direction at speeds of 30, 40 and 60 kmph respectively. Barun starts two hours after Arun. If Barun and Kiranmala overtake Arun at the same instant, how many hours after Arun did Kiranmala start (CAT2006)?1. 3 2. 3.5 3. 4 4. 4.5 5. 5 : Ques.12:Arun, Barun and Kiranmala start from the same place and travel in the same direction at speeds of 30, 40 and 60 kmph respectively. Barun starts two hours after Arun. If Barun and Kiranmala overtake Arun at the same instant, how many hours after Arun did Kiranmala start (CAT2006)?1. 3 2. 3.5 3. 4 4. 4.5 5. 5
Slide 27 : Answer
is 2nd option