alleryدو ٹرک اسی طرح 60 کلومیٹر فی گھنٹہ اور 40 کلومیٹر فی گھنٹہ کی رفتار سے چلتے ہیں۔ کس شرح سے سست پر تیزی سے فائدہ ہوتا ہے؟
A24 km/h
B20 km/h
C100 km/h
D50 km/h
Answer & Solution
Correct answer: B. 20 km/h
اسی سمت جاتے ہوئے ان کی رفتار گھٹاتی ہے، 60 - 40 = 20 km/h۔
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