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Three children are walking. Their steps measure 36 cm,72 cm and 90 cm. If they step from a line ab and their steps will fall together again at line CD. What is the distance between AB and CD?

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LCM of 36,72 and 90 i.e., 360 cm.

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For this we have take LCM of 36,72,90 is.e 360 cm

We will take LCM of the three numbers given which actually comes out to be 360cm.

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Basic Economics

This is the LCM of 3 no.s ans is 360

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Interested to teach to class 1 to 5 , 6 to 10 , 11&12

first take the L.C.M. of(36, 72, 90) cm. L.C.M. is 360 cm. Now 360 /60= 6. It means that first child will walk 6 steps to reach 360 cm. second child will walk 5 steps to reach 360 cm. third child will walk 4 steps to reach 360 cm.

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