Question

find a number whose fifth part increased by 30 & its fourth part decreased by 30

Answer 1

Let the no.be x

Its fifth part is =(x/5)

its fourth part is=(x/4)

(x/5) + 30 = (x/4) - 30

(x/5)-(x/4)=-30-30

4x-5x/20=-60

X = -60 *20

-X= - 1200

X= 1200
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The number is 1200

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