alleryمساوات کو مکمل کریں 3/7 = n/28; n کیا ہے؟
A12
B14
C10
D21
Answer & Solution
Correct answer: A. 12
چونکہ 28 = 7 × 4، مساوی عدد ہے n = 3 × 4 = 12۔
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