A) 36
B) 4
C) 30
D) 24
Correct Answer: D
Solution :
Let the total journey be 60 km. (Multiple of 15 and 20) LCM \[(15,\,\,20)=60\] \[\therefore \] Distance traveled by train \[=\,\,\,\,\frac{2}{15}\times 60=8\,km\] Distance traveled by car \[=\frac{9}{20}\times 60=27\,km\] Rest distance covered by foot \[=60-8-27=25\text{ }km\] But rest distance which is covered by foot is 10 km \[\therefore \,\,\,\,\,\,\,\,25\,\,\to 10\Rightarrow \,1\to \frac{10}{25}\] \[60\to \frac{10}{25}\times 60=24\,km\] So, Total distance of his journey = 24 kmYou need to login to perform this action.
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