As a holiday project, class teacher gave the task to sale some books for charitable cause. 2 boys and 7 girls of section A can sale 100 books in 4 days while 4 boys and 4 girls of section B together can sale the
As a holiday project, class teacher gave the task to sale some books for charitable cause. 2 boys and 7
girls of section A can sale 100 books in 4 days while 4 boys and 4 girls of section B together can sale the
same number of books in 3 days.
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