alleryएक लड़का सोमवार को एक किताब का 2/9 भाग और मंगलवार को 1/3 भाग पढ़ता है, जिससे 80 पृष्ठ शेष रह जाते हैं। किताब में कुल कितने पृष्ठ हैं?
A200
B180
C160
D144
Answer & Solution
Correct answer: B. 180
पढ़ा गया भाग = 2/9 + 3/9 = 5/9। शेष भाग = 4/9। (4/9)x = 80 => x = 80 x (9/4) = 180 पृष्ठ।
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