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| 1. |
r keeps on moving four balls in the air continuously such that each ball attains 20 m height. Whenthe first ball leaves his hand, the position of the other balls (in(1) 10, 20, 10metre height) will be(4) 5, 10, 20(2) 15, 20, 15(3) 5, 51, 20 |
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