An algebra problem by Anushka Vatsa

Algebra Level 3

Find the HM of 20 and 200. Note:round off the answer to the nearest number.


The answer is 36.

Anushka Vatsa by Anushka Vatsa , 21, India

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2 solutions

Sudoku Subbu
Jan 17, 2015

h.m = 2ab/a+b = 400X2000/110 = 4000/110 = 400/11 = 36.363636363.............. ~36

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Godwin Tom George
Sep 21, 2014

I think the answer is 36.37~37

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there is actually a formula for this. H.M. =2ab/a+b. substituting, we get, an approximated answer of 36.

Jun Arro Estrella - 6 years, 8 months ago

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