alleryएक भरे हुए डिब्बे का वजन 8.6 kg है; खाली केस का वजन 1.4 kg है। सामग्री का वजन?
A7.4 kg
B7.2 kg
C7.0 kg
D6.8 kg
Answer & Solution
Correct answer: B. 7.2 kg
सामग्री का वजन 8.6 − 1.4 = 7.2 किलोग्राम है।
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