If the proportion of physics majors who are from Delhi is the same as the proportion of engineering majors who are from Delhi, how many engineering majors are from Delhi?
Explanation:
Total number of majors = 1250.
Number of majors in Engineering ≈ 20% 0f 1250 = 250.
Proportion of Physics major from Delhi = 18/225
Let number of Engineering majors from Delhi = d
∴ d/250 = 18/225
⇒ d = 18 × 250/225 = 20
Hence, option (d).
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