The ratio of the number of marbles that Pulak and Menaja had was 5 : 9 while the ratio of
the number of marbles that Jairam and Menaja had was 7 : 18. Whatis the ratio of the number of marbles that Pulak and Jairam had?

A

10:7

B

2:3

C

5:7

D

7:5