The average marks of four students together is 60%. The average marks of Ram, Dev, Atul and Pankaj individually are 46%, 52%, 70% and 82%

The average marks of four students together is 60%. The average marks of Ram, Dev, Atul and Pankaj individually are 46%, 52%, 70% and 82% respectively. If the average marks of Ram and Dev together is 49% and that of Dev and Atul together is 60%. What is the ratio of number obtained by Ram and Pankaj?

a)13:11

b) 7:11

c) 7:13

d) 11:7

Sol: