alleryایک کشتی 18 کلومیٹر فی گھنٹہ نیچے کی طرف اور 10 کلومیٹر فی گھنٹہ اپ اسٹریم بناتی ہے۔ ساکن پانی میں اس کی رفتار کتنی ہے؟
A8 km/h
B14 km/h
C16 km/h
D12 km/h
Answer & Solution
Correct answer: B. 14 km/h
اب بھی پانی کی رفتار دو کی اوسط ہے، (18 + 10) / 2 = 14 km/h۔
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