alleryA 20 दिसांनी काम सोंपोवंक शकता. 5 दीस काम केल्या उपरांत तो वता. उरिल्ल्या कामाचे अपूर्णांक अशे आसात:
Aतीन चवथ्या भागांत
Bएक चवथो
Cएक अर्द
Dचार पांचव्या वांटे
Answer & Solution
Correct answer: A. तीन चवथ्या भागांत
1. अ दर दिसा कामाच्या विसाव्या वांटेचो एक भाग पुराय करता. 2. 5 दिसांनी तो 5 x 1/20 = 5/20 पुराय करता. 3. तें केल्ल्या कामाच्या चवथ्या भागाक सोंपें जाता. 4. उरिल्लें काम 1 - 1/4 आसा. 5. म्हणल्यार नोकरेचो तीन चवथ्या भाग अजून उरला. एक चवथ्या अहवालाक जाप दितना भाग सोंपलो, उरिल्लो भाग न्हय. _स्रोत: अभ्यासक्रम गणित, अध्याय 11 'प्रत्यक्ष आनी उलट प्रमाण', S11.3 उलट प्रमाण_
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