Question
Download Solution PDFA man drives to his office at 60 km/hr and returns home along the same route at 30 km/hr, then his average speed is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Speed while going to office (S1) = 60 km/hr
Speed while returning home (S2) = 30 km/hr
Formula used:
Average Speed = (2 × S1 × S2) / (S1 + S2)
Calculation:
Average Speed = (2 × 60 × 30) / (60 + 30)
⇒ Average Speed = (2 × 1800) / 90
⇒ Average Speed = 40 km/hr
∴ The correct answer is option (1).
Last updated on May 26, 2025
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