- AM × K − N
- BM − K × N
- CM × K + N
- DM + K − N
Step-by-Step Solution
'M × K + N' means M is the father of K and K is the mother of N, so M is the father of N's parent, i.e. N's grandfather.
Answer: C) M × K + N
In a family code, 'P + Q' means P is the mother of Q, 'P − Q' means P is the brother of Q, and 'P × Q' means P is the father of Q. Which expression means 'M is the grandfather of N'?
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