'B + D' means 'B is the father-in-law of D'.'B & D' means 'B is the brother of D'.'B # D' means 'B is the wife of D'.'B D' means 'B is the son of D'.'B @ D' means 'B is the mother of D'. If O is the only child of his parents, then which of the given options is true in reference to the following expression?M # L & N @ O P + R
- AR is the wife of O.
- BL and P are siblings.
- CN has only one son and one daughter
- DN is the mother of R.
Solution & Step-by-step Explanation
Let's decode the given coded expression step-by-step from left to right: M # L M is the wife of L ()L & N L is the brother of N ()N @ O N is the mother of O ()O \rightarrow \text{O}^{(+)} \text{N}^{(-)} \Leftrightarrow \text{P}^{(+)} \rightarrow \text{O}^{(+)} \Leftrightarrow \text{R}^{(-)}$, making R the wife of O.Let's test Option A: "R is the wife of O". This perfectly matches our breakdown.