Answers

2015-11-14T20:53:19+05:30
Total 24 notebooks can be completed by 12 boys and girls.12 boys can complete 12 notebooks in 12 weeks and 12 girls can complete 12 notebooks in the same 12 weeks so totally 24 notebooks are completed by 12 boys and 12 girls in 12 weeks
1 1 1
2015-11-14T20:55:11+05:30
Total 24 books can be completed by 12 boys and 12 girls in 12 weeks
1 5 1