Question

How many did not qualify in any section?

• A. 3
• B. 5
• C. 12
• D. None of these

Hint:

A fast check is to ensure the disjoint pieces sum to the total population; whatever is left are the “none” cases.

Answer 1

The Correct Option is D

Sum of all disjoint regions computed above:
Inside \(E\): \(10+25+10+5=50\).
Outside \(E\): \(\text{Only }M=10,\ \text{Only }L=8,\ \text{Only }D=17,\ ML\text{-only}=10,\ DML=5\) giving \(50\).
Total accounted \(=50+50=100\) (all aspirants). Hence outside all sections \(=0\). Since \(0\) is not among (a)–(c), answer is “None of these.”
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