Mathematics
Without actual calculation, the quotient when 74 – 47 is divided by 9, is :
11
7
3
none of these
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Answer
According to the property, when ab - ba is divided by 9, the quotient = a - b.
So, when 74 - 47 is divided by 9, the quotient = 7 - 4 = 3.
Hence, option 3 is the correct option.
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