In a certain code language:

- $A + B$ means '$A$ is the mother of $B$',
- $A - B$ means '$A$ is the brother of $B$',
- $A imes B$ means '$A$ is the wife of $B$', and
- $A \div B$ means '$A$ is the father of $B$'.

Given the expression: $U - V imes W \div Y + Z$, how is $U$ related to $Z$?

Question

In a certain code language:

- $A + B$ means '$A$ is the mother of $B$',
- $A - B$ means '$A$ is the brother of $B$',
- $A 	imes B$ means '$A$ is the wife of $B$', and
- $A \div B$ means '$A$ is the father of $B$'.

Given the expression: $U - V 	imes W \div Y + Z$, how is $U$ related to $Z$?

Accepted Answer

**Solution:**

Given the code meanings:

- $A + B$: $A$ is mother of $B$
- $A - B$: $A$ is brother of $B$
- $A 	imes B$: $A$ is wife of $B$
- $A \div B$: $A$ is father of $B$

Expression: $U - V 	imes W \div Y + Z$

Step-by-step interpretation:

1. $V 	imes W$ means $V$ is wife of $W$.
2. $W \div Y$ means $W$ is father of $Y$.
3. $Y + Z$ means $Y$ is mother of $Z$.
4. $U - V$ means $U$ is brother of $V$.

Now, let's analyze the relationships:

- $V$ is wife of $W$.
- $W$ is father of $Y$.
- $Y$ is mother of $Z$.

So, $V$ is mother of $Y$'s child $Z$ (since $V$ is wife of $W$, father of $Y$, and $Y$ is mother of $Z$).

$U$ is brother of $V$.

Therefore, $U$ is the brother of $Z$'s grandmother (mother's mother).

Hence, $U$ is **mother's mother's brother** of $Z$.

**Answer:** Mother's mother's brother

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