How does the thief think Anil will react to the theft?

A thief, after committing a theft runs at a uniform speed of 50 m/minute. After 2 minutes, a policeman runs to catch him. He goes 60 m in first minute and increases his speed by 5 m/minute every succeeding minute. After how many minutes, the policeman will catch the thief?

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How does phenol react with: Ammonia ?

A thief, after committing a theft runs at a uniform speed of 50m / minute. After 2 minutes, a policeman runs to catch him.He goes 60m in first minute and increases his speed by 5m / minute every suceeding minute.After how many minutes,the policeman will catch the thief?