allery70 च्या गटांत 40 वाचपी नेमाळें P, 30 वाचपी नेमाळें Q आनी 10 दोनूय वाचले. कितले जाण सारकें एक वाचतात?
A55
B50
C40
D45
Answer & Solution
Correct answer: B. 50
सारकें एक = (40 - 10) + (30 - 10) = 50.
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