TIME DISTANCE AND SPEED Definition
Speed
It is defined as the rate of travel to cover a certain distance. It is generally
expressed in m/s, km/hr etc.
Time
It is defined as the duration for which travelling has been done to cover a
certain distance. It is generally expressed in seconds, hours etc.
Distance
It is defined as the length of path for which travelling has been done. It is
generally expressed in metre, kilometre etc.
Practice Questions
Q1.The speeds of the Shaan and Rohan are 50 km/h and 30 km/h respectively. Initially Shaan is at a place N and Rohan is at a place M. The distance between M and N is 710 km. Shaan started his journey 3 hours earlier than Rohan to meet each other. If they meet each other at a place R somewhere between M and N. then the distance between R and N is
A) 210 km
B) 500 km
C) 430 km
D) 620 km
E) None of these
Ans: (B) 500km
Q2. The distance between two places A and B is 370 km. The 1st car departs from place A to B, at a speed of 80 kmph at 10 am and the 2nd car departs from place B to A at a speed of 50 kmph at 1 pm. At what time both cars meet each other?
A) 2: 30 pm
B) 2: 00 pm
C) 2: 10 pm
D) 2: 20 pm
E) None of these
Ans: (B) 2:00pm
Q3. A man takes 5 hours 45 minutes to walk to a certain place and ride back. He would have saved 2 hours had he ridden both ways. The time he would take to walk both ways is
A) 3 hours 45 minutes
B) 7 hours 30 minutes
C) 7 hours 45 minutes
D) 11 hours 45 minutes
E) None of these
Ans: (C) 7 hours 45 minutes
Q4. A and B start at the same time with speeds of 40 km/hr and 50 km/hr respectively. If in covering the journey A takes 15 minutes longer than B, the total distance of the journey is
A) 46 km
B) 48 km
C) 50 km
D) 52 km
E) None of these
Ans: (C) 50km
Q5. A cyclist covers a distance of 750 m in 2 min 30 sec. What is the speed in km /hr of the cyclist?
A) 12 km/hr
B) 15 km/hr
C) 18 km / hr
D) 20 km / hr
Ans: (C) 18km/hr
Q6. A Jackal takes 4 leaps for every 5 leaps of goat but 3 leaps of a Jackal are equal to 4 leaps of the goat. compare their speeds
A) 12: 10
B) 7: 5
C) 1: 4
D) 16: 15
Ans: (D) 16:15