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| Q.20 | The average present age of four members of a family is 27 years and average increases by 3 years when one of their relatives joins them. The age of the relative is: | |
| Ans | 1. 44 years | |
| 2. 46 years | ||
| 3. 42 years | ||
| 4. 40 years |
Correct Ans: 3
