alleryایک مستطیل کی لمبائی بڑھ جاتی ہے 20% اور چوڑائی گرتی ہے 10%; علاقے کی تبدیلی؟
A12% اضافہ
B8% اضافہ
C8% کمی
D10% اضافہ
Answer & Solution
Correct answer: B. 8% اضافہ
نیا رقبہ 1.20 × 0.90 = 1.08 پرانے رقبے سے گنا، 8% اضافہ ہے۔
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