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The times, in seconds, taken by 150 athletes to run a 110 m hurdle race are tabulated below: Class 13.8 – 14 14 – 14.2 14.2 – 14.4 14.4 – 14.6 14.6 – 14.8 14.8 – 15.0 Frequency 2 4 5 71 48 20 - Mathematics

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Question

The times, in seconds, taken by 150 athletes to run a 110 m hurdle race are tabulated below:

Class 13.8 – 14 14 – 14.2 14.2 – 14.4 14.4 – 14.6 14.6 – 14.8 14.8 – 15.0
Frequency 2 4 5 71 48 20

The number of athletes who completed the race in less than 14.6 seconds is:

Options

  • 11

  • 71

  • 82

  • 130

MCQ

Solution

82

Explanation:

The number of athletes who completed the race in less than 14.6 seconds

= 2 + 4 + 5 + 71

= 82

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Chapter 13: Statistics and Probability - Exercise 13.1 [Page 159]

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NCERT Exemplar Mathematics [English] Class 10
Chapter 13 Statistics and Probability
Exercise 13.1 | Q 10 | Page 159

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