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Step-by-Step Solution
Total tiles . All four options multiply to 210, but only uses primes alone; 6, 35 and 15 are composite.
Answer: A)
A courtyard floor in Jaipur has 2 rows × 3 columns of panels, and each panel is 5 tiles by 7 tiles (one panel is outlined). Which is the prime factorisation of the total number of tiles?
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