বর্জ্য ছাড়াই একটি 0.9 m ফিতা থেকে কত 0.3 m স্ট্রিপ কাটা যায়?
A4
B3
C6
D2
Answer & Solution
Correct answer: B. 3
স্ট্রিপের সংখ্যা হল 0.9 ÷ 0.3 = 3।
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