alleryپانچ سال پہلے ایک ماں اپنے بیٹے کی عمر سے تین گنا تھی۔ اب ان کی عمریں 50 بنتی ہیں۔ بیٹا ہے۔
A10
B12
C20
D15
Answer & Solution
Correct answer: D. 15
عمر m اور s کے ساتھ: m - 5 = 3(s - 5) اور m + s = 50 s = 15 دیتے ہیں۔
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