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Question

What is the ratio of number of teachers in Delhi to number of engineers in Delhi who are aged between 31-40?
  1. 2:1
  2. 1:2
  3. 1:4
  4. Can not be determined


Solution

The correct option is A 2:1

Let total population of Delhi is 100.
Number of teachers = 15 and number of engineers = 30

Number of engineers in the age group (31-40) = 304(since 90 = 3604); Ratio = 2:1.

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