MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Time & Distance

A car travels...

Question

A car travels 8 km in the first quarter of an hour, 6 km in the second quarter and 16 km in the third quarter. The average speed of the car in km per hour over the entire journey is

A

30

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

B

36

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

C

40

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

D

24

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

Open in App

Solution

The correct option is C
40
$A v e r a g e S p e e d = \frac{T o t a l d i s t a n c e}{T o t a l t i m e}$

$\frac{T o t a l d i s t a n c e}{T o t a l t i m e s} = \frac{(8 + 6 + 16) k m}{(\frac{1}{4} + \frac{1}{4} + \frac{1}{4}) h r}$

$= \frac{30 k m}{\frac{3}{4} h r} = 40 k m / h r$

Suggest Corrections

thumbs-up

6

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Time & Distance

OTHER

Watch in App

explore_more_icon

Explore more

Time & Distance

Join BYJU'S Learning Program

CrossIcon