Question

when a natural number is decreased by 20

Answer 1

Step-by-step explanation:

Ans :23

Hint :

Let the whole number be x, Then,

(x−20)=60(x1)

⇒x2−20x−69=0

⇒(x−23)(x+3)=0

⇒x=23,−3.

Answer 2

Answer:

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