Question

Water level in a well was 20m below ground level. During rainy season, rain water collected in different water tanks was drained into the well and the water level rises 5 m above the previous level. The wall of the well is 1m 20 cm high and a pulley is fixed at a height of 80 cm. Raghu wants to draw water from the well. The minimum length of the rope that he can use is

Answer 1

Answer:

After water level rises 5 m above the previous level, water level is now (20 - 5) = 15 m below the ground level. = 17 m.

Answer 2

Answer:

Step-by-step explanation:

After water level rises 5 m above the previous level, water level is now (20 - 5) = 15 m below the ground level. = 17 m.