Question
What command do you have to use to go to the parent
directory?Solution
This command is used to go to the parent directory in the file system. The ".." represents the parent directory, allowing the user to navigate up one level in the directory structure.
What value should come in the place of (?) in the following number series?
54, 81, 135, 216, 324, ?
14, 20, ?, 50, 74, 104
What will come in place of the question mark (?) in the following series?
48, 291, ?, 399, 408, 411
204, 401, 640, ?, 1105, 1406
What will come in place of the question mark (?) in the following series?
25, 25, 5, 10, 2, ?
500, 250, 750, 375, 1125, 562.5, ?
32 33 29 38 ? 47 11
...5, 5, 15, 75, ?, 4725
81, 41, 42, 64.5, ?, 330
55, 71, 119, 199, 311, ?