The number of sports teams in Wangzhuang Central Primary School is less than 50. When waiting in line, there is one more person in a row of three people, three more people in a row of four people, and

The number of sports teams in Wangzhuang Central Primary School is less than 50. When waiting in line, there is one more person in a row of three people, three more people in a row of four people, and seven more people in a row 1 person. When waiting in line, there will be one more person in each row for three people, and there will be one more person in each row for seven people 1 person.

The number of students in a sports team is a multiple of 3 and 7 plus 1.

The number of sports teams is less than 50, which can only be 3 * 7+1= 21+1= 22 or 3 * 7 * 2+ 1 = 43.

There are three more people in each row, 43= 10*4+3, 22=5*4+2.

So,

The number of students in the sports team is 43