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CBSE
Mathematics
Relation between speed distance and time
A sailor goes 8km downstream in 40 minutes and returns in 1 hour. Determine the speed of the sailor in still water and the speed of the current.
CBSE
Mathematics
Relation between speed distance and time
Point A and B are 70km apart on a highway. A car starts from A and another car starts from B at the same time. If they travel in the same direction they meet in 7 hours, but if they travel towards each other they meet in one hour. What are their speeds in km/hr?
a)40, 20
b)50, 30
c)40, 30
d)None of these

CBSE
Mathematics
Relation between speed distance and time
An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop in intermediate stations). If the average speed of the express train is 11 km/hr more than that of the passenger train, find the average speed of the two trains.
A). Speed of passenger train = 31 km/hr, speed of express train = 42 km/hr
B). Speed of passenger train = 33 km/hr, speed of express train = 44 km/hr
C). Speed of passenger train = 43 km/hr, speed of express train = 54 km/hr
D). None of these

CBSE
Mathematics
Relation between speed distance and time
The speeds of three cars are in the ratio $2:3:4$ . What is the ratio between the times taken by these cars to travel the same distance?
A. $4:3:2$
B. $2:3:4$
C. $4:9:16$
D. $6:4:3$

CBSE
Mathematics
Relation between speed distance and time
A man crosses a 500 m long street in 50 seconds. What is his speed in $m{\text{ }}{\sec ^{ - 1}}$?
A. 550 $m{\text{ }}{\sec ^{ - 1}}$
B. 450 $m{\text{ }}{\sec ^{ - 1}}$
C. 10 $m{\text{ }}{\sec ^{ - 1}}$
D. 25000 $m{\text{ }}{\sec ^{ - 1}}$

CBSE
Mathematics
Relation between speed distance and time
A tortoise moves a distance of $100$ meters in $15$ minutes. What is the average speed of the tortoise in $km/h$ ?

CBSE
Mathematics
Relation between speed distance and time
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:
A. 50 km
B. 56 km
C. 70km
D. 80 km
CBSE
Mathematics
Relation between speed distance and time
A train is moving at a uniform speed of 75 km/hr. Find the time required to cover a distance of 250 km?

CBSE
Physics
Relation between speed distance and time
A driver of a car travelling at 52 km per hour apply the brakes and accelerates uniformly in the opposite direction the car stops in 5 seconds another driver going at 3 km per hour in another car applies is break slowly and stops in 10 seconds on the same graph paper plot the speed versus time graph for the two cars which of the two cars travel father after the brakes are applied.
CBSE
Mathematics
Relation between speed distance and time
After covering a distance of 30 km with a uniform speed there is some defect in a train engine and therefore, its speed is reduced to 4/5 of its original speed. Consequently, the train reached its destination late by 45 minutes, had it happened after covering 18 kilometres more, the train would have reached 9 minutes earlier. Find the speed of the train and the distance of journey
A. Original speed = 10 Km/hr, Length of the journey = 90 Km
B. Original speed = 15 Km/hr, Length of the journey = 100 Km
C. Original speed = 25 Km/hr, Length of the journey = 110 Km
D. Original speed = 30 Km/hr, Length of the journey = 120 Km
IIT-JEE
Mathematics
Relation between speed distance and time
A circular field has a circumference of 360km. Two cyclists Sumeet and Johan start together and can cycle at speeds of 12 km/hr and 15 km/hr, respectively, round the circular field. After how many hours will they meet again at the starting point?

CBSE
Mathematics
Relation between speed distance and time
A man takes 5hours 45 minutes in walking to a certain place and riding back. He would have gained 2hours by riding back both ways. The time he would take to walk both ways is
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