alleryA 10 दिसांनी आनी B 15 दिसांनी एक काम करपाक शकता. एकठांय काम करून ते तें अशें सोंपयतात:
A5 दीस
B7.5 दीस
C6 दीस
D12.5 दीस
Answer & Solution
Correct answer: C. 6 दीस
1. दरेक एका दिसांत सोंपता त्या अपूर्णांकान काम करचें. 2. अ दिसाक दशमांश काम करता आनी ब पंदरावो वांटो करता. 3. एकठांय येवन ते 1/10 + 1/15 = 3/30 + 2/30 = 5/30 करतात, जें दिसाक एक सवो वांटो. 4. ताका लागून पुराय काम पुराय करपाक 6 दीस लागतात. 5. 12.5 मेळोवपाक सरासरी 10 आनी 15 ही क्लासिक त्रुटी; दोन मनीस एकठांय येवन एकल्या परस चड वेगान आसूंक जाय. _स्रोत: अभ्यासक्रम गणित, अध्याय 11 'प्रत्यक्ष आनी उलट प्रमाण', S11.3 उलट प्रमाण_
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