Software is used for:
Correct answer is: B. Instructing hardware
Software provides instructions for hardware to perform tasks.
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Direction of page layout is called:
Correct answer is: C. Page Orientation
Page orientation refers to the direction (portrait or landscape) of a page layout.
Shortcut to minimize workbook in Excel:
Correct answer is: D. Ctrl + F9
Ctrl + F9 minimizes the Excel workbook window.
1 added to largest 4-digit number gives:
Correct answer is: B. 10000
The largest 4-digit number is 9999; adding 1 gives 10000.
Next number in series 1, 1, 2, 6, 24, ?
Correct answer is: B. 120
The series follows n! (factorial): 1=1!, 1=1!, 2=2!, 6=3!, 24=4!, so 120=5!.
Odd number in series 19, 26, 33, 40, 47, 53:
Correct answer is: D. 53
The series increases by 7, but 53 disrupts the pattern (expected 54), making it odd.
Sum of two values of n if |n – 2| = 10:
Correct answer is: B. 4
|n - 2| = 10 gives n = 12 or n = -8. Sum = 12 + (-8) = 4.
Breadth of tank if length = 2.5m, depth = 10m, volume = 50,000L:
Correct answer is: B. 2 m
Volume = 50,000L = 50 m³. Length × Breadth × Depth = 2.5 × B × 10 = 50, so B = 2 m.