Two dogs are standing 960 m apart from each other. The first dog runs at a speed of 9 m/s and the second runs at a speed of 7 m/s. If two dogs run towards each other, after how much time will they bump into each other?
Held on 21 May 2025 · Verified 13 Jul 2026.
80 s
60 s
70 s
50 s
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