In a certain code language,
A ! B means ‘A is the father of B’,
A < B means ‘A is the wife of B’,
A x B means ‘A is the brother of B’,
A @ B means ‘A is the sister of B’.
Based on the above, how is I related to S if 'I ! N x K @ A < S’?
- AOption (a)
Wife's sister
- BOption (b)
Wife's mother
- COption (c)
Wife's father
- DOption (d)
Wife's brother
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Correct answer
Wife's father
Why this answer is correct

Solution
Family Chart:

Symbol Reference:

| Symbol | ! | < | x | @ |
|---|---|---|---|---|
| Meaning | Father | Wife | Brother | Sister |
Given: I ! N x K @ A < S: I is the father of N, N is the brother of K, K is the sister of A, and A is the wife of S.

⇒ Since I is the father of A, I is the wife's father of S.
Hence, the correct answer is "Option 3".

















































































