UPSC CSE Prelims 1995 Q136 — Science & Technology PYQ

1995Q136·Science & Technology·Quantitative Aptitude

A person travelled from one place to another at an average speed of 40 kilometres/hour and back to the original place at an average speed of 50 kilometres/hour. What is his average speed in kilometres/hour during the entire roundtrip?

UPSC CSE Prelims 1995 Q136 — Science & Technology PYQ with Answer

UPSC CSE Prelims 1995 Q136 — Science & Technology PYQ with Answer