alleryগতিবেগকে m/s থেকে km/h-এ পরিবর্তন করতে কোন সংখ্যা দিয়ে গুণ করতে হয়?
A1.852
B0.277
C60
D3.6
Answer & Solution
Correct answer: D. 3.6
এক m/s সমান 3.6 km/h, তাই গুণকটি হল 3.6।
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