Instrument to measure blood pressure:
Correct answer is: B. Sphygmomanometer
A sphygmomanometer is used to measure blood pressure.
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.
Sun has burned half of hydrogen in:
Correct answer is: B. 4.6 billion years
The Sun, about 4.6 billion years old, has consumed roughly half its hydrogen fuel.
Used to create a copy of document:
Correct answer is: B. Save as
'Save as' creates a copy of a document under a new name or format.
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.
1 added to largest 4-digit number gives:
Correct answer is: B. 10000
The largest 4-digit number is 9999; adding 1 gives 10000.
Software is used for:
Correct answer is: B. Instructing hardware
Software provides instructions for hardware to perform tasks.
Shortcut to minimize workbook in Excel:
Correct answer is: D. Ctrl + F9
Ctrl + F9 minimizes the Excel workbook window.