alleryA اور B سیٹوں کے لیے اوور لیپنگ حلقے 12 صرف A، 8 دونوں میں اور 5 صرف B میں رکھتے ہیں۔ یونین کیا ہے؟
A20
B30
C15
D25
Answer & Solution
Correct answer: D. 25
تینوں علاقوں کو شامل کرنے سے 12 + 8 + 5 = 25 اراکین ملتے ہیں۔
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