NCERT Solutions for Class 6 Mathematics Chapter 12
Important NCERT Questions
Ratio and Proportion Chapter 12 Exercise 12.3
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 8
The weight of 72 books is 9 kg what is the weight of 40 such books?
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The weight of 72 books = 9 kg
∴ The weight of 1 book = 9/72 = 1/8
∴ The weight of 40 books = 1/8×40=5kg
Thus, the weight of 40 books is 5 kg.
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