# RAVISH BOUGHT 100 ARTICLES FOR RS 4000 . HE SOLD 20 OF THEM AT A GAIN OF 5 PERCENT. AT WHAT GAIN PERCENT MUST HE SELL THE REMAINING ARTICLES SO AS TO GAIN 20 PERCENT ON THE WHOLE?

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by yasserali

RAVISH BOUGHT 100 ARTICLES FOR RS 4000. HE SOLD 20 OF THEM AT A GAIN OF 5 PERCENT. AT WHAT GAIN PERCENT MUST HE SELL THE REMAINING ARTICLES SO AS TO GAIN 20 PERCENT ON THE WHOLE

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