Q80. Aperson is to go up a tree 60ft in height. In every second, he cl

1.	Q80. Aperson is to go up a tree 60ft in height. In every second, he climbs 5ft but slipsdown 4ft. After how many seconds, will he be able to reach the top of the tree?
Answer» Let the total time taken to climb 60 ft be x.Given :-in every second, he climbs 5 feet but slips down 4 feet. ∴5x-4x=60=>x=60 ∴Time taken to climb 60 ft is 60 seconds.

Q80. Aperson is to go up a tree 60ft in height. In every second, he climbs 5ft but slipsdown 4ft. After how many seconds, will he be able to reach the top of the tree?

Answer»

Let the total time taken to climb 60 ft be x.Given :-in every second, he climbs 5 feet but slips down 4 feet.

∴5x-4x=60=>x=60

∴Time taken to climb 60 ft is 60 seconds.