Exactly four students are to attend a workshop. They are to be chosen from a group of seven eligible students: three boys F, G, H and four girls J, K, M, and N. The four are to be chosen according to the following conditions? (i) If either G or H attends the workshop, then other must also attend. (ii) J and K cannot both attend the workshop. (iii) G and M cannot both attend the workshop. Which of the following could be the group attending the workshop?
- G, J, M, N
- F, G, H, M
- F, K, M, N
- None of these
Explanation
Check all 3 against the rules:
Rules:
1. G and H must go together
2. J and K cannot be together
3. G and M cannot be together
F, K, M, N = VALID
No G, so Rule 1 and 3 are not triggered
Only K is there (not J), so Rule 2 is fine.
Correct answer is F, K, M, N
Last verified on 20-10-2026
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