Question

30) The weight of 9 books is 81 kg. What will be the weight of 25 such books?​

Answer 1

Answer:

Weight of 9books = 81kg

Weight of 1 book = 81/9 = 9kg

Weight of 25 books= 25×9kg = 225kg

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Answer 2

Answer=225kg

Weight of 9 books =81kg

Weight of 1 book =9kg

Weight of 25 books = 25 × 9

=225kg

Hence weight of 25 book will be 225kg

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