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I) On a practical day, Arun and Raventh were measuring distances between two places. Arun is using an inch scale while Raventh is using a feet scale. After submission, the teacher asked both of them to convert the answers in a familiar system. Which system do they need to follow?
 
 
II) Raj participated in a running practice. It is a semi elliptical path. Coach noted his records for different trials. Almost the timings from start to end of the lapse remain the same. Here regarding Raj’s practice which of the following is/are uniform?