If 72 books weight 9 kg. then what is the weight of 1680 such books
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If 72 books weight 9 kg.
then 1 book weight 9/ 72kg.
then 1680 books weight (9/72 × 1680)kg.
= 210kg. Ans
then 1 book weight 9/ 72kg.
then 1680 books weight (9/72 × 1680)kg.
= 210kg. Ans
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1
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