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Question
In a village, there are 570 people who have cell phones. An NGO survey their cell phone usage. Based on this survey a histogram is drawn
How many of them use the cell phone for more than 5 hours?
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Solution
150 of them ...(100 + 50)
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RELATED QUESTIONS
The marks scored by students in Mathematics in a certain Examination are given below:
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| 0 — 20 | 3 |
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| Marks Scored | Number of Students |
| 0 - 20 | 6 |
| 20 - 40 | 9 |
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