Question

Find a number whose fifth part increased
by 40 is equal to its fourth part decreased
by 40.​

Answer 1

Answer:

Let the number be x

Its fifth part is =x/5& fourth part is =x/4

According to qun. =x/5+40=x/4-40

or, x/5-x/4=-40-40 or, (4x-5x)/20=-80

or, - x/20=-80 or, x=1600