Practicing Success
Practicing Success
CUET Preparation Today
Aman goes uphill with average speed of 30 km/h and comes down with an average speed of 40 km/h. The distance travels in both cases being the same. The average speed for the entire journey is ________. |
34.28 km/h 20.28 km/h 30 km/h 45.28 km/h |
34.28 km/h |
S1 = 30km/h S2 = 40km/h Average speed = 2( s1 × s2 )/(s1 × s2 ) = 2( 30 × 40 )/(70 ) = 34.28 km/h |
