Q289
A long distance runner run 9 laps of a 400 metres track everyday. His timings (in min) for four consecutive days are 88, 96, 89 and 87 respectively. On an average, how many metres/minutes does the runner cover ?
A.
17.78 m/min
B.
40 m/min
AnswerC.
90 m/min
D.
None of these
Answer: Option B
Solution
Answer: Option B
Solution: