1.

Along distance runner runs 9 laps of a 400 metres track every day. His timings(in min) for four consecutive days are 88, 96, 89 and 87 respectively. One andaverage, how many metres/minute does the runner cover?17. 78b. 40c. 90d. none of these

Answer»

39 m/min
40 m/min
41 m/min
43 m/min

Answer :B


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