w quale WIUI ile Sales of 1968.
[Ans. 33-% वृद्धि
23. यदि पैट्रोल का मूल्य 10% बढ़ जाये तो एक मनुष्य को अपने उपभोग में कितने प्रतिशत की कमी करनी चाहिए कि उसके खर्च में
कोई वृद्धि न हो?
How much should a man reduce the use of Petrol whose price has incre: sed by 10% so that he may have to
spend no extra money?
[Ans. 91%]
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i don't understand your question
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