Question

In a library there are 12 books for every 4 student,
Find the number of books in the library if there are 400 students in school.​

Answer 1

Answer:

From the question,

Number of English book =780

Number of Science book =364

Now, find the factors of 780 and 364

The factors of 780=2×2×3×5×13

The factors of 364=2×2×7×13

∴ The HCF of 780 and 364=2×2×13=52

Hence, the minimum number of book in each self =52.

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Answer 2

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