alleryएक मुलगा एका पुस्तकाचा 2/9 भाग सोमवारी आणि 1/3 भाग मंगळवारी वाचतो, तरीही 80 पाने शिल्लक राहतात. ते पुस्तक किती पानांचे आहे?
A200
B180
C160
D144
Answer & Solution
Correct answer: B. 180
तो 2/9 + 3/9 = 5/9 भाग वाचतो, त्यामुळे 4/9 भाग शिल्लक राहतो; जर 4/9 भाग म्हणजे 80 असेल, तर त्या पुस्तकात 180 पाने आहेत.
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