Which of the following pair/pairs is/are INCORRECT? I. Golden revolution - Fruits production II. Blue revolution - Increasing production of fertilizers III. Yellow revolution - For the production of eggs
In a college, the ratio of boys to girls is 29 : 33 respectively. When 142 more boys join the college, this ratio becomes 21 :19. How many more girls should join the college to make the number of boys and girls equal?