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A car completed a journey of 400km in 12...

A car completed a journey of 400km in `12(1)/(2)` hrs. The first `(3)/(4)`th of the journey was done at 30 km/hr. Calculate the speed for the rest of the journey.

A

25km/hr

B

40km/hr

C

45km/hr

D

30km/hr

Text Solution

Verified by Experts

The correct Answer is:
D
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