Read the passage below and solve the questions based on it.
Narendrajee is the office assistant at LC’s North Campus centre. One day he realized that (i) among all the visitors the ratio of the number of men and women was the same as that between women and children, (ii) maximum number of the visitors to the centre were children. At the end of the day, he finds that 7 women visited the centre.
How many children visited the centre that day?