ISRO exam 2015 – Question 13 with Solution

In this video we are going to discuss another question which was asked in the exam of ISRO

Six files F1, F2, F3, F4, F5 and F6 have 100, 200, 50, 80, 120, 150 records respectively. In what order should they be stored so as to optimize act. Assume each file is accessed with the same frequency
(A) F3, F4, F1, F5, F6, F2
(B) F2, F6, F5, F1, F4, F3
(C) F1, F2, F3, F4, F5, F6
(D) Ordering is immaterial as all files are accessed with the same frequency.