Question

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एक गेंद को 100 m/s उपर फेका जाए पृथ्वी तल पर वापस आएग
A ball thrown up with 10 m/s will return to ground
(a) 10 sec
(b) 20 sec
(c) 15 sec
(d) 5 sec
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Answer 1

in both the question is different I m answering the english answer abs is {5}