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Speed & Distance - Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Speed & Distance. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - A competitor runs 200 meters race in 24 seconds. His rate is:
Answer : D
Explanation
Speed = 200/24 m/sec = (200/24* 18/5) km/hr = 30 km/hr
Q 2 - A man covers half of his adventure at 6km/hr and the staying half at 3 km/hr. His normal rate is:
Answer : B
Explanation
Average speed = 2xy/(x+y) km/hr = 2*6*3/(6+3)km/hr = 4 km/hr
Q 3 - If an understudy strolls from his home to class at 5km/hrs, he is late by 30 min. However, on the off chance that he strolls at 6 km/hr. he is late by 5 min. just. The separation of his school from his home is:
Answer : D
Explanation
Let the required distance be x km. then, x/5 - x/6 = 25/7 (difference between two times is 25 min.) ⇒ 12x- 10 x = 25 ⇒2x = 25 ⇒ x= 25/2 km = 12.5 km
Q 4 - A and B begin all the while from a sure point in North and South bearings on engine cycles. The velocity of A is 80 km/hr and that Of B is 65 km/hr. What is the separation in the middle of A and B following 12 minutes?
Answer : B
Explanation
Required distance = sum of distance covered by A and B
= {(80*12/60) + (65*12/60)} = (16+13) = 29 km
Q 5 - The velocities of three autos in the proportion 2:3:4. The proportion of the times taken by these autos to venture to every part of the same separation is:
Answer : D
Explanation
Ratio of time taken = 1/2: 1/3: 1/4 = 6:4:3
Q 6 - A constable is 114 m behind a thief. The constable runs 21 m and the thief15 m in a moment. In what the reality of the situation will become obvious eventually constable catch the criminal?
Answer : D
Explanation
(21-15) m i.e.6m is covered in 1 min. 114m will be covered in (1/6*114) min=19 min.
Q 7 - The separation between two stations A and B is 220 km. A train leaves a towards B at 80 km/hr. After thirty minutes, another train leaves B towards An at 100 km/hr. The separation of the point where the two trains meet, from A is:
Answer : A
Explanation
Let the required distance be x km. then, x/80 - (220-x)/100 = 1/2 ⇒ 5x-4 (220-x) = 200 ⇒9x = 1800 ⇒x = 120 Hence the required distance is 120 km.
Q 8 - Laxman needs to cover 6 km in 45 minutes. On the off chance that he covers one portion of the separation in 2/3 rd time, what ought to be his rate to cover the remaining separation in the remaining time?
Answer : A
Explanation
Time left = (1/3*45/60)hr = 1/4 hr, distance left = 3 km Speed required = 3/ (1/4) km/hr = 12 km/hr
Q 9 - A auto covers four progressive 3 km extends at 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr separately. Its normal rate over this separation is:
Answer : B
Explanation
Total distance = (3*4) km = 12 kms Total time taken = (3/10+3/20+3/30+ 3/60) = (36+18+12+6)/120 hrs. = 72/120 hrs = 3/5 hrs. Average speed = 12/ (3/5) km/hr = (12*5)/3 = 20 km/hr
Q 10 - A train voyaged separations of 10 km, 20 km and 30 km at rates of 50 km/hr, 60 km/hr and 90 km/hr separately. The normal rate of the train was
Answer : C
Explanation
Total distance covered = (10+20+30) km = 60 km Total time taken = (10/50 + 20/60+ 30/90) hr = (1/5+1/3+1/3) hr = 13/15 hr. Average speed = (60* 15/13) km/hr = (900/13) km/hr = 69.23 km/hr