| Q.20 | If L × M means that L is the mother of M, L – M means that L is the father of M, L ÷ M means that L is the sister of M, then which of the following expression shows that R is the brother of P? | |
| Ans | 1. P ÷ Q – R | |
| 2. P × R – Q | ||
| 3. P ÷ R – Q | ||
| 4. P ÷ R × Q |
Correct Ans Provided: 3