Directions: Study the following information carefully and answer the question given below.
Six students – A, B, C, D, E and F – have their exams on two different dates, 9th and 26th, in three different months – January, February and March of the same year. Each student has an exam in a different subject – Physics, Chemistry, Botany, Zoology, Mathematics and English.
Three persons have their exam between C and F. The one who has the Physics exam has it on an odd date in a month having an odd number of days. F has the exam immediately after the one who has the Physics exam. More than one person has an exam between C and the one who has the Botany exam. E has the exam two persons before the one who has the Botany exam. D has the exam three persons before the one who has the English exam. Two persons have exams between the ones who have English and Zoology. A doesn’t have the Physics or Mathematics exam.
How many persons have their exams between C and the one who has the Chemistry exam?