A van covers the first 30 km in 30 min and the next 30 km in 40 min. Calculate the average speed for the entire journey.

$51.4 k m / h$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

$52.4 k m / h$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

$55.5 k m / h$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

$51.2 k m / h$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
$51.4 k m / h$

Total distance covered $= 30 k m + 30 k m = 60 k m$

Total time taken $= 30 m i n + 40 m i n = 70 m i n$

Average speed = $\frac{T o t a l d i s t a n c e}{T o t a l t i m e}$

= $\frac{60 k m}{(\frac{70}{60} h)}$

= $51.4 k m / h$

Suggest Corrections

Similar questions

A van covers the first 30 km in 30 min and the next 30 km in 40 min. Calculate the average speed for the entire journey.

90 k m / h

30 m i n

18 m / s

1 h r

60 k m / h r

45 m i n

4

3

10

20

30

60

Join BYJU'S Learning Program