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- A man complete a journey in 10 hours.
Question 1:
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
Feedback (1/2)x/21 + (1/2)x/24=10
x/21+x/24 =20
15x = 168 x 20
x= (168 x 20 / 15) = 224 km
x/21+x/24 =20
15x = 168 x 20
x= (168 x 20 / 15) = 224 km
C. 230 km
D. 234 km
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