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Three alarm clocks ring at intervals of 4, 12 and 20 minutes respectively. If they
start ringing together, after how much t

By Arianna

Three alarm clocks ring at intervals of 4, 12 and 20 minutes respectively. If they
start ringing together, after how much time will they next ring together?

About the author
Arianna

a rope of lenght 210 cm has to be cut into 2 pieces in the ratio 3 :4 find the lenght of the longest stick which can measure both

gWrite the algebraic expression for the following:

i) The sum of squares of x and y.​

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