96. 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.

[A]. 220 km
[B]. 224 km
[C]. 230 km
[D]. 234 km
✅ The correct answer is option B.
(1/2)x
+
(1/2)x
= 10

21
24

x
+
x
= 20

21
24

15x = 168 x 20

x =

168 x 20

= 224 km.

15

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