CBSE Class 7 Answered
Five swimmers entered into a competition. Four of the swimmers have had their turns. Their timings are 9.8 sec, 9.75 sec, 9.79 sec, and 9.81 sec. What timing must the last swimmer set in order to win the competition?
Asked by Topperlearning User | 10 Oct, 2014, 03:32: PM
Expert Answer
In order to win the competition, the last swimmer has to set a time less than the least timing set by other contestants.
For that, we have to compare the timings obtained by arranging them in the increasing order of magnitude.
i.e., 9.75 < 9.79 < 9.80 < 9.81
Since the least decimal value is 9.75, the last swimmer must set a time less than 9.75 sec, in order to win.
Answered by | 10 Oct, 2014, 05:32: PM
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