alleryतांदूळ त्याच्या वजनाच्या 2/5 कमी करतो, नंतर उर्वरित 1/3; 12 kg शिल्लक आहे; प्रारंभिक वजन?
A30 kg
B24 kg
C20 kg
D36 kg
Answer & Solution
Correct answer: A. 30 kg
राखून ठेवलेला अपूर्णांक 3/5 × 2/3 = 2/5 आहे, त्यामुळे प्रारंभिक वजन 12 ÷ (2/5) = 30 किलो होते.
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