CTET 2 Math and Science 21 Jan 2024 Paper

To find out what should be added to $\mathit{x}$ to get the sum as 1.1 , we first need to calculate the value of $\mathit{x}$ :
$\mathit{x}=1.011+10.11-12.101+0.1011$
$\mathit{x}=1.011+10.11-12.101+0.1011$
$\mathit{x}=\left(1.011+0.1011\right)+10.11-12.101$
$\mathit{x}=1.1121+10.11-12.101$
$\mathit{x}=11.2221-12.101$
$\mathit{x}=-0.8789$
Now, to find what should be added to $\mathit{x}$ to get the sum as 1.1 , we subtract $\mathit{x}$ from 1.1:
Addition needed $=1.1-\left(-0.8789\right)$
Addition needed $=1.1+0.8789$
Addition needed $=1.9789$
So, 1.9789 should be added to $\mathit{x}$ to get the sum as 1.1 .