Question
If in the given number 674839372, 2 is added to all the
odd place digits and 1 is subtracted from the even place digits (from the left end) , then all the digits are arranged in descending order from left to right. Which is the fifth digit to the right of the third digit from the left end after rearrangement?Solution
6Â Â Â Â Â Â Â Â Â 7Â 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 3Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â 2 8Â Â Â Â 6Â Â Â Â Â Â 6Â Â Â Â Â Â 7Â Â Â Â Â 5Â Â Â Â Â Â 8Â Â Â Â Â 5Â Â Â Â Â 6Â Â Â Â Â 4 8Â Â Â Â 8Â Â Â Â Â Â 7Â Â Â Â Â Â 6Â Â Â Â Â Â 6Â Â Â Â Â 6Â Â Â Â Â 5Â Â Â Â Â 5Â Â Â Â Â 4Â Third digit from the left = 7 Fifth digit to the right of 7 = 5.
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