Q11 of 62 Page 125

A number exceeds 25% of itself by 60. The number is

Let the number = Z


∴ 25% of Z + 60 = Z


⇒ (Z × 25/100) + 60 = Z


⇒ Z/4 + 60 = Z


⇒ Z – Z/4 = 60


⇒ 3Z/4 = 60


⇒ Z = 60 × 4/3


⇒ Z = 80

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