Lessons

General Aptitude
19.1 Time and Distance - General Questions

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Q.

A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.

View Answer

Correct choice: B

Explanation:

(1/2)x + (1/2)x = 10
21 24
x + x = 20
21 24

15x = 168 x 20

x = 168 x 20 = 224 km.
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