By interchanging which two signs the equation will be correct?
$$13 - 9 \times 2 \div 3 + 16 = 3$$
For solving these type of questions we can go through the options.
From option B we can see that by interchanging -,+ sign we can get the answer as follows:
13+9 $$\times$$2$$ $$ $$\div$$ 3 $$ $$-16 = 13 + 18 $$\div$$ 3 $$ $$ -16
$$\Rightarrow$$ 19-16 = 3.
Other options will give theĀ fractional values which will not satisfy the given equation.
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