Find the value of $x$ if
i) $30 %$ of $x$ is $285$
ii) $57 %$ of $x$ is $228$

Open in App

Solution

$(1)$ $30 % \times x = 285 ⟹ x = 950$
$(1)$ $57 % \times x = 225 ⟹ x = 400$

Suggest Corrections

Similar questions

x

∣ ∣ ∣ \begin{matrix} 2 & 4 5 & 1 \end{matrix} ∣ ∣ ∣ = ∣ ∣ ∣ \begin{matrix} 2 x & 4 6 & x \end{matrix} ∣ ∣ ∣

∣ ∣ ∣ \begin{matrix} 2 & 3 4 & 5 \end{matrix} ∣ ∣ ∣ = ∣ ∣ ∣ \begin{matrix} x & 3 2 x & 5 \end{matrix} ∣ ∣ ∣

3^{x} = 81

2^{x - 3} = 1

x

1767 = x \times 57

78, 64, 57, x - 3, x - 7, x - 11, 30, 25, 22, 20

39

x

|\begin{matrix} 2 & 4 \\ 5 & 1 \end{matrix}| = |\begin{matrix} 2 x & 4 \\ 6 & x \end{matrix}|

|\begin{matrix} 2 & 3 \\ 4 & 5 \end{matrix}| = |\begin{matrix} x & 3 \\ 2 x & 5 \end{matrix}|

|\begin{matrix} 3 & x \\ x & 1 \end{matrix}| = |\begin{matrix} 3 & 2 \\ 4 & 1 \end{matrix}|

|\begin{matrix} 3 x & 7 \\ 2 & 4 \end{matrix}| = 10

Join BYJU'S Learning Program