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A class of 40 students were made to stand in a straight line. The distance between each student was equal throughout the line. The distance between the first and the last student was 156 m. What is the distance between the 3rd and the 8th student?
A rectangular banquet hall had light bulbs fixed onto the walls along both the lengths of the hall at equal intervals apart. In total, 382 light bulbs were used. Both walls had an equal number of light bulbs and light bulbs occupied the ends of each wall. If the distance between 2 adjacent light bulbs is 60 cm, what is the length of the wall? ...
The area of a rectangular playground is 13122 m2. The breadth of the playground is half its length. Lamp posts need to be fixed at equal intervals of 9 m along the periphery of the ground. If each corner of the playground has a lamp post, calculate the number of lamp posts that would be required.
A ball was dropped vertically downwards from the top of a crane at a height of 160 m . Each time the ball hit the ground, it bounced vertically upwards to `1/4` of the height from which it had fallen previously. What is the total distance that the ball had moved in air by the time it hit the ground for the third time?
A rubber ball was dropped vertically downwards from the top of a building , 450 m above the ground. Each time the ball hit the ground, it bounced vertically upwards to `2/3` of the height from which it had fallen previously. By the time the rubber ball hit the ground for the third time, what is the total distance that the rubber ball had moved in the air?
A basketball was dropped from the top of a building vertically downwards. The building had a height of 160 m. Each time the basketball hit the ground, it rebounded vertically upwards to `1/2` of the height from which it had fallen from previously. Find the total distance which the basketball had travelled in the air by the time it hit the ground for the fifth time.
A ship took 7 h to sail from port A to port B at an average speed of 42 km/h. It then reduced its speed by 9 km/h and took another 11 h to sail from port B to port C. Find the total distance covered by the ship.
In a laboratory, a robot took 8 h to travel from point A to point B at an average speed of 90 m/h. Its speed was then reduced by 10 m/h and it travelled for another 6 h to reach point C. Find the total distance covered by the robot.
A toy car was made to move at an average speed of 16 km/h for 15 minutes. Its speed was then reduced by 4 km/h and it continued to move for another 45 minutes. What was the distance that the toy car covered?