Question

Maths Integer Question
Q-Reena climbs up 5 stairs every second and then climbs down 2 stairs over the next second.How many seconds will she take to climb 60 stairs?

Please give answer with solution

Answer 1

6 second is 3 stairs means in to climb 60 stairs seconds need is 3 * 20 is 60 mean time taken is 6 * 20 is equal 120

Answer 2

5 stairs up in 1st sec and 2 stairs down in 2nd sec means 3 stairs up in 2 sec
so for 60 i.e. 3*20 stairs , time is 2*20 = 40 seconds