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Water is filled in a tank upto 3 m heigh...

Water is filled in a tank upto 3 m height. The base of the tank is at height 1 m above the ground. What should be the height of a hole made in it, so that water can be sprayed upto maximum horizontal distance on ground?

A

3 m from ground

B

1.5 m from ground

C

1.5 m from base of tank

D

2 m from ground

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