railway DFCCIL MTS 2025 Mock Test Series Quantitative Aptitude Average

The average age of 15 persons is 32 years. If two more persons are added, then the average is increased by 3 years. The new persons have age difference of 7 years. The age (in years) of the youngest among the new persons is:

1
58
2
50
3
61
4
54
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