Question

17. Find the least square number which is exactly divisible by each of the numbers 6, 9, 15
and 20​

Answer 1

Answer:

900

Step-by-step explanation:

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. Therefore, least square number divisible by 6 , 9 , 15 and 20 is 900.

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Answer 2

Answer: ans

6 x 6 = 36 .

9 x 9 = 81 .

15 x 15 = 825 .

20 x 20 = 400 .

Step-by-step explanation: