Lesson 1 of 2 · Coded relations (A@B means...)
Symbol decoding
Blood Relations · for IPMAT Indore, IPMAT Rohtak and JIPMAT
Worked examples
Example 2EasyRohtak 2020
With + brother, − sister, × father: which expression means C is the son of M: M−N×C+F, F−C+N×M, N+M−F×C or M×N−C+F?
Solution: M×N−C+F. M is the father of N; N is C's sister; C is F's brother, so C is male.
Example 1Sitter
A + B: A is the father of B; A − B: A is the mother of B; A × B: A is the brother of B. What does X × Y + Z − W mean?
Solution: Y is W's grandfather. X is Y's brother, Y is Z's father, Z is W's mother; W's sex is not given.
Watch out
- Reversed symbols: if "A % B means B is the niece of A", the niece is on the right.
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