alleryایک کشتی ساکن پانی میں 12 کلومیٹر فی گھنٹہ کی رفتار سے چلتی ہے اور ندی 3 کلومیٹر فی گھنٹہ کی رفتار سے بہتی ہے۔ اس کی بہاو کی رفتار کیا ہے؟
A9 km/h
B15 km/h
C18 km/h
D12 km/h
Answer & Solution
Correct answer: B. 15 km/h
ڈاون اسٹریم کرنٹ مدد کرتا ہے، 12 + 3 = 15 km/h۔
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