Without actual calculation, the quotient when 74 – 47 is divided by 9, is :
11
7
3
none of these
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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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Without actual calculation, the quotient, when the sum of 59 and 95 is divided by 11, is :
14
9
95 – 59
The smallest two digit number 10a + 4 is divisible by 6, if a + 4 is divisible by :
2
6
The number 3z4 is divisible by 9, if the digit z is equal to :