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The time, in seconds, taken by 150 athletes to run a 100 m hurdle race are tabulated below: Time (sec.) 13 – 14 14 – 15 15 – 16 16 – 17 17 – 18 18 – 19 Number of Athletes 2 4 5 71 48 20 - Mathematics

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Question

The time, in seconds, taken by 150 athletes to run a 100 m hurdle race are tabulated below:

Time (sec.) 13 – 14 14 – 15 15 – 16 16 – 17 17 – 18 18 – 19
Number of Athletes 2 4 5 71 48 20

The number of athletes who completed the race in less than 17 seconds is:

Options

  • 11

  • 71

  • 82

  • 68

MCQ

Solution

82

Explanation:

Number of athletes who completed the race in less than 17 seconds is:

2 + 4 + 5 + 71 = 82

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