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If numerator of a fraction is increased by 450% and the denominator is increased by 400%. Now the new fraction is 15/16. The original fraction is :किसी भिन्न के अंश और हर में वृद्धि करने पर अंश 450% तथा हर 400% हो जाते हैं। अब नई भिन्न 15/16 हो, तो मूल भिन्न है :

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Correct answer: D. 7/12

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