1. How many such pairs of digits are there in the number 75938462, each of which has as many digits between them in the number as they have between them when arranged in ascending order?
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By: anil on 05 May 2019 01.31 am
Original number: 75938462 Rearranged number: 23456789
So now we can see that the pairs which have the same number of digits between them before and after rearrangement are
79,53,58,36 Since we have figured out 4 such pairs, only feasible option is option 5
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So now we can see that the pairs which have the same number of digits between them before and after rearrangement are
79,53,58,36 Since we have figured out 4 such pairs, only feasible option is option 5