Question

pls answer.........​

Answer 1

• smallest least number divisible by 6,3, 15 and 20 is its LCM is 180 .therefore there is no factor to from pair 5 , so to make perfect square we multiply 180 to get 900 hence least square number divisible by 6,9 , 15 and 20 , 900

Answer 2

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12.) 3

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