state gov TNPSC Group 4 (தமிழ்நாடு குழு IV) Mock Test 2025 Quantitative Aptitude Time and Work Work and Wages
A certain number of men can do a work in 20 days. If there were 10 men more, it could be finished in 10 days less. How many men were there initially?
1
10
2
20
3
15
4
30