Question 155
A target consists of two circles with the same centre. The larger circle has radius $12$ cm. When shots hit the target randomly, $403$ out of $900$ land in the inner circle. The radius of the inner circle is closest to
(A) $6$ cm
(B) $7$ cm
(C) $8$ cm
(D) $9$ cm
(E) $10$ cm
(A) $6$ cm
(B) $7$ cm
(C) $8$ cm
(D) $9$ cm
(E) $10$ cm