‘A + B’ means ‘A is the husband of B’.
‘A % B’ means ‘A is the father of B’.
‘A $ B’ means ‘A is the mother of B’.
If Y + Z $ H % C $ D + S, then which of the following statements is NOT correct?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Z is the maternal grandmother of C
Read the expression one symbol at a time. A grandparent through one’s father is paternal; a grandparent through one’s mother is maternal.
Y + Z: Y is the husband of Z
Z $ H: Z is the mother of H
H % C: H is the father of C, so H is a male
C $ D: C is the mother of D, so C is a female
D + S: D is the husband of S
Checking the statements
Option (1) H is the son of Y — Correct. H is a male whose mother Z is Y’s wife.
Option (2) Z is the maternal grandmother of C — Incorrect. Z is the mother of C’s father H, so she is C’s paternal grandmother.
Option (3) H is the maternal grandfather of D — Correct. H is the father of D’s mother C.
Option (4) C is the mother-in-law of S — Correct. C is the mother of D, and S is D’s wife.