There are seven persons A, B, C, D, E, F and G who were born on the same day of the same month of different year i.e. 1984, 1946, 1967, 1972, 1982, 1989 and 1992 but not necessarily in the same order. Note: Their age are considered as on the same month and day of 2017 as their date of births. The difference between the ages of B and C is twice the square root of the age of one of the any seven persons. Difference between the ages of C and D is the same as the number obtained by dividing ages of any of the other five persons. Age of A is greatest amongst those whose age is a multiple of five. E is older than G who is not the youngest. B is not youngest person. How many persons are younger than F ?
A. One
B. Two
C. Three
D. No one
