Question:গাড়ির স্পিডোমিটারে বিদ্যমান দ্রুতির একক কোনটি? 

A `ms^(-1)` 
B `kmh^(-1)` 
C `kms^(-1)` 
D `mh(-1)` 

+ Answer
B 

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Md. Sohel Arman

Editor, VCampus

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