Sani 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?
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Answered by
1
Answer:
So she should take (60/3) *2=40 seconds. Since in the last second she will not fall, she will reach a second before, that is by 39th second
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0
Answer:
Aur ha broo
Paneer mujhe pasand hai tumhe hai kya ??
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please mark it Brainliest answer
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