Question 25
Which two numbers should be interchanged in the following equation to make it correct?
$$779 + 14 \times 21 - 532 \div 41 = 807$$
Solution
If we interchange 532 and 779 then, according to the BODMAS rule,
$$779 + 14 \times 21 - 532 \div 41 = 807$$
= 532 + 14 $$\times$$ 21 - 779 $$\div$$ 41
= 532+294-19
=807
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