Question

a small ant climbs 3cm in 1 minute but slips down 2cm. how much time will it take to climb 4cm

Answer 1

start: 0 cm
1st minute: 0 + 3 - 2 = 1 cm
2nd minute: 1 + 3 = 4 cm

Therefore after 2 minutes the ant already climbed to the top (and didn't slip).

Answer 2

2 minutes

Answer 3

start: 0 cm
1st minute: 0 + 3 - 2 = 1 cm
2nd minute: 1 + 3 = 4 cm

Therefore after 2 minutes the ant already climbed to the top (and didn't slip).

Answer 4

2 minutes