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25% పెరిగిన తర్వాత ఒక విలువ 500 అవుతుంది. అసలు విలువ ఎంత?

A375
B400
C425
D475
Answer & Solution
Correct answer: B. 400
తుది విలువ 500 అనేది అసలు విలువలో 125%, కాబట్టి అసలు విలువ 400.
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