Question
Download Solution PDFएका वॉलेटमध्ये, अनुक्रमे 2 ∶ 5 ∶ 3 च्या गुणोत्तरात 1 रुपये, 2 रुपये आणि 5 रुपयांची नाणी आहेत. जर एकूण 54 रुपये असतील, तर त्यातील 5 रुपयांची नाणी किती?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे:
1 रुपये, 2 रुपये आणि 5 रुपयांच्या नाण्यांचे गुणोत्तर = 2 : 5 : 3
एकूण पैसे = 54 रुपये
सूत्र:
मूल्य = नाण्यांची संख्या × मूल्यवर्ग
उपाय:
नाण्यांची संख्या x ने दर्शवू.
⇒ 1 रुपयांच्या नाण्यांपासून मूल्य = 2x × 1 रुपये = 2x
⇒ 2 रुपयांच्या नाण्यांपासून मूल्य = 5x × 2 रुपये = 10x
⇒ 5 रुपयांच्या नाण्यांपासून मूल्य = 3x × 5 रुपये = 15x
सर्व नाण्यांचे एकूण मूल्य 54 आहे.
⇒ त्यामुळे, 2x + 10x + 15x = 54 ⇒ 27x = 54 ⇒ x = 54/27 = 2
⇒ 5 रुपयांची नाणी 3 × x = 3 × 2 = 6 आहेत
म्हणून 5 रुपयांची 6 नाणी आहेत.
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