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Question
45 Maths books, 30 Science books, and 15 English books have to be arranged in rows such that each row contains the same number of books of a subject. Additionally, each row can only have books belonging to a single subject. How many rows will math books take, if the total number of rows to be minimised?
45 Maths books, 30 Science books, and 15 English books have to be arranged in rows such that each row contains the same number of books of a subject. Additionally, each row can only have books belonging to a single subject. How many rows will math books take, if the total number of rows to be minimised?
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Solution
The correct option is C 3
We need to find the HCF of 45, 30 and 15 to get the number of books in each row.
HCF of 45, 30 and 15 = 15
There will be 3 rows of Math books, 2 rows of Science books and 1 row of English books.
We need to find the HCF of 45, 30 and 15 to get the number of books in each row.
HCF of 45, 30 and 15 = 15
There will be 3 rows of Math books, 2 rows of Science books and 1 row of English books.
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