Question
Download Solution PDFजयच्या पेटीएम वॉलेटमध्ये 500 रुपये आहेत. त्याने प्रथम त्याची शेष रक्कम 20% आणि नंतर 25% ने वाढवली. प्रारंभिक शेष रकमेच्या तुलनेत शेष रकमेच्या वाढीची टक्केवारी शोधा.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे:
रक्कम = 500
वाढ = 20% आणि 25%.
वापरलेले सूत्र
वाढलेली रक्कम = आरंभिक रक्कम × (100 + r)/100
गणना
पहिली वाढ झाल्यानंतर
रक्कम = 500 + 20% of 500
= 500 + 100 = 600
दुसरी वाढ झाल्यानंतर
रक्कम = 600 + 25% of 600
= 600 + 150 = 750
∴ आवश्यक टक्केवारी= [(750 – 500)/500] × 100 = 50%
उत्तर 50% आहे.
Hint x + y + xy/100
= 20 + 25 + 20 × 25 /100
= 45 + 5 = 50%
Last updated on Jul 8, 2025
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