Question
Three of the following number-pairs are alike in some
manner and hence form a group. Which number-pair does not belong to that group? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 β Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)ΒSolution
The correct answer is D
If the 4-digit number x67y is exactly divisible by 9, then the least value of (x + y) is _____.
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