The language that the computer can understand and execute is called? A) Assembly B) Machine Language C) PHP D) None of these
Which of the following you can paste selectively using Paste Special command? A) Validation B) Formats C) Formula D) All of these Detail We can paste formula, value, formats, comments, validation using Paste Special command.
Which Key is used for one page down in MS word? A) Ctrl+PgDn B) Ctrl+down arrow C) Down Arrow D) None of these
If x= 3 + √8 Find the value of x² + 1/x² A) 32 B) 34 C) 36 D) None of these Solution x = 3+ √8 x = (3+√8)(3-√8) / (3-√8) x = (9 -8) / (3-√8) x = 1/ (3 -√8) Or we can write 1/x = (3-√8) Put the value and find out x² +(1/x²) = x² + (1/x)² So x² + 1/ x² = (3 +√8)² + (3 -√8)² = 9+6√8+8 + 9–6√8+8 = 34.
The price of the pen is 75. After a 15% discount its prize is: A) 51 B) 55 C) 60 D) None of these Solution Let Price be 75 Now 15% of 75 = (15/100) x 75 = 15 Cost After discount is = 75 – 15 = 60
