state gov DDA Junior Secretariat Assistant (JSA) Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency
A garrison of 300 soldiers had food stock sufficient for 30 days when the rate of consumption was 2.5 kg/day/soldier. After some days of consumption, 150 soldiers were transferred to another garrison and the rest of the food lasted for 30 days for the remaining soldiers at the rate of consumption of 3 kg/day/soldier. After how many days from the start, were the soldiers transferred?
1
12
2
15
3
18
4
20