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
Answers
Answered by
2
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. = 224 km.
Answered by
0
Correct option is B)
21
(1/2)x
+
24
(1/2)x
=10
⇒
21
x
+
24
x
=20
⇒15x=168×20
⇒x=(
15
168×20
)=224km.
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