ISRO exam 2015 – Question 18 with Solution
In this video we are going to discuss another question which was asked in the exam of ISRO
Given a block can hold either 3 records or 10 key pointers. A database contains n records, then how many blocks do we need to hold the data file and the dense index
(A) 13n/30
(B) n/3
(C) n/10
(D) n/30