Question 8
Which two signs should be interchanged to make the following equation correct?
$$4 \times 5 - 24 \div 12 + 8 = 14$$
Solution
From the given pattern,
$$4 \times 5 - 24 \div 12 + 8 = 14$$
If we are interchanging $$+ and -$$
Then,
$$\Rightarrow 4 \times 5 + 24 \div 12 - 8 = 14$$
$$\Rightarrow 4 \times 5 +2 - 8 = 14$$
$$\Rightarrow 20 +2 - 8 = 14$$
$$\Rightarrow 22 - 8 = 14$$
$$\Rightarrow 14 = 14$$
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