A fruit seller sells 40% of his apples and is left with 420 apples. How many apples did he have initially?
700
Let the number of apples he had initially be x.
Given, (100 - 40)% of x = 420
⇒ 60% of x = 420
⇒60100×x = 420
⇒x = 700
∴ The number of apples the fruit seller had initially = 700