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The table shows the number of students at various heights in two sections A and B: Height (m) | 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 of height 1.62 m in Section A to the total number of students in Section A?

1. 14 : 67
2. 14 : 62
3. 1 : 4
4. 7 : 33

Correct answer: 14 : 67

Solution

The total number of students in Section A is 6+10+14+16+9+7+5 = 67. The number at 1.62 m is 14, so the ratio is 14 : 67.

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