Question
If all the prime digits of the number 2786989346 are
written first (in increasing order) followed by even digits(in increasing order) and then odd digits (in increasing order), then which is the seventh digit from the right end after rearrangement?Solution
2Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â 9Â Â Â Â Â Â 8Â Â Â Â Â 9Â Â Â Â Â Â 3Â Â Â Â 4Â Â Â Â Â 6 2Â Â Â Â Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â 6Â Â Â Â Â 8Â Â Â Â Â 8Â Â Â Â 9Â Â Â Â Â 9Â Â Â Â Â Â Â Â Â Â Â Â Â
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