Directions : What value will come in place of the question mark (?) in the given questions?
$56\%~of~450+~?~ = 300$
Solution
$\begin{align} & 56 \text{% of }450+?=300 \\ & \Rightarrow \frac{56\times 450}{100}+?=300 \\ & \Rightarrow 252+?=300 \\ & \Rightarrow ?=300-252=48 \\ \end{align}$