Question 21

Which two signs should be interchanged to make the given equation correct?
$$12+81-27\times9\div3$$=36

Solution

$$12+81-27\times9\div3$$ = 36
From the option A,
On changing the sign,
$$12 + 81 \div 27 \times 9 - 3$$ = 36
12 + 27 - 3 = 36
36 =36
$$\therefore$$ The correct answer is option A.

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Which two signs should be interchanged to make the given equation correct?$$12+81-27\times9\div3$$=36

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Which two signs should be interchanged to make the given equation correct?
$$12+81-27\times9\div3$$=36