A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed:	Choose the correct choice from the following options:
A) 10
B) 15
C) 26
D) 87
E) 30
Explanation:   Let the total number of shots be x. Then,   Shots fired by A =5/8 x   Shots fired by B =3/8 x   Killing shots by A=1/3 of 5/8x=5/24x   Shots missed by B=1/2 of3/8x=3/16x   3/16x=27   x=(27x16/3)=144   Birds killed by A=5/24x=(5/24x144)=30   Answer is 30
<result>E</result>
A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed: