Question

please send the answer of this worksheets class 8 maths chapter 1 rational number​

Answer 1

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. Hence least square number divisible by6,9,15 and 20 is 900.

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Answer 2

1) a) 6² + 8² = 10²

Triplet is 6, 8, 10

b)