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Question
Following pictograph represents some surnames of people listed in the telephone directory of a city.
| Surname | Number of people  = 100 people |
| Khan |  |
| Patel |  |
| Rao |  |
| Roy |  |
| Saikia |  |
| Singh |  |
Observe the pictograph and answer the following questions:
- How many people have surname ‘Roy’?
- Which surname appears the maximum number of times in the telephone directory?
- Which surname appears the least number of times in the directory?
- Which two surnames appear an equal number of times?
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Solution
| Surname | Number of people |
| Khan | 3 × 100 + 50 = 350 |
| Patel | 5 × 100 = 500 |
| Rao | 4 × 100 = 400 |
| Roy | 4 × 100 = 400 |
| Saikia | 2 × 100 = 200 |
| Singh | 3 × 100 = 300 |
- 400 people have surname ‘Roy’.
- The surname ‘Patel’ appears the maximum number of times in the telephone directory.
- The surname ‘Saikia’ appears the least number of times in the telephone directory.
- The surnames ‘Rao’ and ‘Roy’ appear an equal number of times.
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