Question

plz answer. water level in a well was 20m below ground level.during rainy season rain water collected in diff water tanks was drained into the well and the water level rises ,5m above the previous level. the wall of well is 1 m 20cmhigh and a pulley is fixed at height of 80cm . raghu wants to draw water from the well. the minimum length of the rope that he can use is. options. a 17m. b 18m. c 96 m. d 97. m.

Answer 1

18m
15m+1.2m 0.8m +0.8m=17.8m
that is around 18m