0.8 kg চা থেকে, পাঁচটি 0.15 kg প্যাক ভর্তি করা হয়; কি ওজন অবশিষ্ট আছে?
A0.65 kg
B0.15 kg
C0.05 kg
D0.25 kg
Answer & Solution
Correct answer: C. 0.05 kg
পাঁচটি প্যাক ব্যবহার করে 5 × 0.15 = 0.75 kg, বাকি 0.80 − 0.75 = 0.05 kg।
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