state gov TNPSC Group 4 (தமிழ்நாடு குழு IV) Mock Test 2025 Quantitative Aptitude Average

The average age of 40 girls of a class is 15 years. When the age of the science teacher is included, the average becomes 16 years. Find the age of the science teacher.

1

46 years

2

56 years

3

45 years

4

55 years

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