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A cylindrical drum, open at the top, con...

A cylindrical drum, open at the top, contains `30` litres of water. It drains out through a small opening at the bottom. `10` litres of water comes out in time `t_1`, the next `10`litres in a further time `t_2` and the last `10` litres in a further time `t_3` Then,

A

`t_1 lt t_2 lt t_3`

B

`t_1 gt t_2 gt t_3`

C

`t_1 = t_2 =t_3`

D

`t_1 gt t_2 =t_3`

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The correct Answer is:
A
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