Given: $\frac{2 (5 x + 4)}{2 (5 x + 2 \times 2)}$ = $\frac{1}{2}$ .

There won't be any error in the equation above if the RHS value is replaced by .

\frac{1}{3}

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Solution

The correct option is B 1
Given: $\frac{2 (5 x + 4)}{2 (5 x + 2 \times 2)}$ = $\frac{1}{2}$ .

$\Rightarrow$ $\frac{2 (5 x + 4)}{2 (5 x + 4)}$ = $\frac{1}{2}$ .

On the LHS of the equation above, both numerator and denominator expressions get cancelled out.

We get 1= $\frac{1}{2}$ which is incorrect.

So, to make the given equation correct, we need to replace $\frac{1}{2}$ by 1.

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