Pass percentage of a school for six consecutive years starting from 2003 to 2008 are 45, 56, 42, 61, 55 and 52. If the ratio of students who appeared for the exam in the years 2003 to 2008 are 2 : 3 : 4 : 3 : 2 : 3, then the pass percentage of the school in six years together is :

Pass percentage of a school for six consecutive years starting from

1.	Pass percentage of a school for six consecutive years starting from 2003 to 2008 are 45, 56, 42, 61, 55 and 52. If the ratio of students who appeared for the exam in the years 2003 to 2008 are 2 : 3 : 4 : 3 : 2 : 3, then the pass percentage of the school in six years together is :
A.	51.5%
B.	47.5%
C.	55%
D.	42.5%
Answer» B. 47.5%