Question

5. One-fourth of a certain journey is covered at the rate of 25 km/h, one-third at the rate of 30 km/h and the rest at 50 km/h. Find the average speed for the whole journey. (a) 600/53 km/h (b) 1200/53 km/h (c) 1800/53 km/h (d) 1600/53 km/h​

Answer 1

Answer:

C part is the required answer...!!!

$\frac{1800}{53} km/h$