A) 4 kms |
B) 5 kms |
C) 6 kms |
D) 3 kms |
B) 5 kms |
\( \Large \frac{d}{4} - \frac{d}{5} \) = \( \Large \frac{15}{60} \)
= \( \Large \frac{5d - 4d}{20} \) = \( \Large \frac{15}{60} \)
= \( \Large \frac{d}{20}\) = \( \Large \frac{1}{4} \)
=> d = 5 km