Teaching NVS Junior Secretariat Assistant (JSA) Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
4 boys and 6 girls can do a piece of work in 10 days while 6 boys and 4 girls can do the same work in 8 days. In how many days can 4 boys and 2 girls do the work ?
1
28
2
25/2
3
30
4
27/2