What was the ratio of the number of candidates appeared from zone $P$ in the year 2005 to the number of candidates qualified from zone $S$ in the year 2007 ?
(a)4 : 7
(b)4 : 9
(c)9 : 4
(d)8 : 13
(e)None of these
Answer
Answer (as printed): A
Explanation
Required ratio $=\frac{3.2}{5.6}=\frac{32}{56}=\frac{4}{7}=4: 7$.
Explanation as extracted from the printed page; notation may be imperfect.