state gov APPSC Group 4 (Pre+Mains) Mock Test 2022 Quantitative Aptitude Time and Work Work Efficiency
If 4 boys and 6 girls can do a work in 8 days, and 3 boys and 7 girls can finish the same in 10 days, find the ratio of capacities of a boy and a girl.
1
1 : 11
2
5 : 12
3
11 : 1
4
12 : 5