Mr. X gets on to a lift on the 1st floor which moves 4th floor/second and his friend gets on to the lift at 151st floor which moves 6th floor/second then at which floor and after what time will they cross each other
Answers
Answered by
0
Answer:
a building of 50 floors every floor of the building is 6 metre height if it's elevator moves 3 metre per second then how long will it take from second floor to 42 floor
Similar questions