Question

5. A group of soldiers was asked to fall in line making rows of three. It was found that there
was one soldier extra. Then they were asked to stand in rows of five. It was found there
were left 2 soldiers. They were asked to stand in rows of seven. Then there were three
soldiers who could not be adjusted. At least how many soldiers were there in the group?​

Answer 1

I think the correct solution is 13