Question
Download Solution PDFराम त्याच्या पैशांपैकी 12 \(\frac{1}{2}\) % गमावतो आणि उर्वरित 75% खर्च केल्यानंतर, 630 रुपये रामाकडे सुरुवातीला किती पैसे होते?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे:
राम 12 \(\frac{1}{2}\) % गमावतो आणि उर्वरित 75% खर्च केल्यानंतर, त्याच्याकडे 630 रुपये आहे.
गणना:
रामकडे सुरुवातीला 100a रुपये आहेत असे समजा
100a × 12 \(\frac{1}{2}\) %
⇒ १२ \(\frac{1}{2}\) a
तर,
उर्वरित पैसे = 100a - 12.5a
⇒ 87.5a रुपये
87.5a × 25/100 = 630 रुपये
⇒ 87.5a = 630 × 4
⇒ 87.5a = 2520
⇒ a = 2520/87.5
⇒ a = 28.8
तर, 100a = 2880
∴ योग्य उत्तर 2880 रुपये आहे.
Shortcut Trick
आपल्याला माहित आहे की, 12 \(\frac{1}{2}\) % = 1/8 आणि 75% = 3/4,
तर, 7 युनिट → 630,
नंतर, 32 युनिट → 630/7 × 32 = 2880 रुपये
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