nursing JIPMER Nursing Officer Mock Test 2024 Quantitative Aptitude Average

The average age of a group of teachers is 35 and of principals is 50. If the average age of the whole group of teachers and principals is 40, then the ratio of the number of teachers to the number of principals is

1
1 ∶ 2
2
2 ∶ 1
3
1 ∶ 1
4
5 ∶ 1
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