Question
If in the number '7243564', 1 is subtracted from all the
odd digits and 2 is added to all the even digits then all the numbers which are not repeated more than once are deleted then what is the product of first three numbers from left end?Solution
7Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 4 6Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â 6 6Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 6 So, the product of first three number is = (6 X 4 X 6) = 144.
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