Average Practice Test 2

Question : 32 of 40

Marks: +1, -0

A girl cycles to her college at 15 m/sec and returns home at 12 m/sec along the same route. Find the average speed.

Solution:

Average speed

={2xy}/{x+y}

={2×15×12}/{15+12}

=360/27=13.33m\/sec

Go to Question:

Prev Question

Next Question