A fruit seller had some apples. He sold 40% of the apples. He still has 420 apples. How many apples did he have originally?

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CSIR CERI JSA Official Paper-I (Held On: 2022)
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  1.  588 apples
  2.  600 apples
  3.  672 apples
  4. 700 apples

Answer (Detailed Solution Below)

Option 4 : 700 apples
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Detailed Solution

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Calculation:

Let the total number of apples be x.

Sold apples = 40% of total apples = 0.4x

Remaining apples = Total apples - Sold apples = 0.6x

Given that he still has 420 apples:

0.6x = 420

⇒ x = 420 / 0.6

⇒ x = 700

The fruit seller originally had 700 apples.

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