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The number of students in two sections A and B having different heights is shown in the table below: Height (in metres) | Section A | Section B 1.55 | 6 | 5 1.60 | 10 | 0 1.62 | 14 | 15 1.65 | 16 | 11 1.68 | 9 | 8 1.71 | 7 | 6 1.75 | 5 | 4 What is the ratio of the number of students with a height of 1.62 metres in Section A to the total number of students in Section A?
- 14:67
- 14:62
- 1:4
- 7:33
Correct answer: 14:67
Solution
The number of students in Section A is 6 + 10 + 14 + 16 + 9 + 7 + 5 = 67. The number of students with height 1.62 m in Section A is 14. So the required ratio is 14:67.
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