What must be added to each term of the ratio 4 : 15, so that it may become equal to 3 : 4?
Choose the correct choice
A) 18
B) 29
C) 39
D) 49
E) 59
Let x be added to each term of the ratio 4:15.   New ratio becomes (4+x)/(15+x), which is given to be equal to 3:4.   This means,   (4+x)/(15+x)=3/4   Solving we get, x = 29.   Ans 29
<result>B</result>
What must be added to each term of the ratio 4 : 15, so that it may become equal to 3 : 4?