UKMT Grey Kangaroo, 2025

Algebra Difficulty 2.0 Junior Find the answer United Kingdom

Anurag leaves for school at 8:00 a.m. His school is 1 km away. When he walks, his speed is 4 km/h. When he cycles, his speed is 15 km/h. He is 5 minutes early when he walks. How many minutes early is he when he cycles?

(A) $12$ (B) $13$ (C) $14$ (D) $15$ (E) $16$

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