Question

A water tank is 20m high. When 11th drop is about to leave 1st drop touches the ground. What is the height of 7th drop.​

Answer 1

Answer:

at 14 m high

Explanation:

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Answer 2

Let all drops are spaced equally

11--tank

10

9

8

7

6

5

4

3

2

1--ground

distance between each drop be x

so 10x = 20

x = 2m

Height of 7th drop from ground = 6x = 12m