| Q.20 | If A – B means that A is the brother of B, A + B means that A is the sister of B, A ÷ B means that A is the father of B then which of the following expression shows that P is the paternal uncle of R? | |
| Ans | 1. P + Q ÷ R | |
| 2. P – Q ÷ R | ||
| 3. P – Q + R | ||
| 4. P ÷ Q – R |
Correct Ans Provided: 2