2 m/sec-কে km/hr-এ রূপান্তর করলে হবে-

Created 1 year ago | Updated 5 days ago
(ক) 20 km/hr
(খ) 10.5 km/hr
(গ) 7.2 km/hr
(ঘ) 5.5 km/hr
No explanation available.

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