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Find the least square which is exactly divisible by each of the number 6,9 and 10

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Answer:

Description for Correct answer: SMALLEST least NUMBER DIVISIBLE by 6,9,15 and 20 is its L.C.M. Its LCM is 180. Therefore there is no factor to form PAIR of 5, so to make it a perfect SQUARE we multiply 180 with 5 to get 900.



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