alleryএকটি খেলনা গাড়ি 18 m পথ 2 m/s এ ভ্রমণ করে। এটা কতক্ষণ লাগে?
A12 s
B8 s
C9 s
D16 s
Answer & Solution
Correct answer: C. 9 s
খেলনা গাড়িটি 18 ÷ 2 = 9 সেকেন্ড সময় নেয়।
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