Question : The IUPAC name of an element is Ununennium. What is the symbol?

Option 1: Une

Option 2: Unl

Option 3: Unm

Option 4: Unu

Question : Which are the four quantum numbers for an electron present in 4f orbital?

Option 1: n=4, I=3, m=+1, s=+1 / 2

Option 2: n=3, I=2, m=-2, s=+1 / 2

Option 3: n=4, I=4, m=-4, s=-1 / 2

Option 4: n=4, I=3, m=+4, s=+1 / 2

Question : If $m^2-n^2=21$ and $m - n = 3$, find the value of $m + n$.

Option 1: 7

Option 2: 4

Option 3: 24

Option 4: 18

Question : Which of the following shortcut keys is used to make the contents of a cell italic in MS Excel 365?

Option 1: Ctrl+4

Option 2: Ctrl+3

Option 3: Ctrl+6

Option 4: Ctrl+2

Question : In a star network, how many lines are required for connecting N nodes to the host node?

Option 1: N + 1

Option 2: N/2

Option 3: (N/2) – 1

Option 4: N – 1