How many such pairs of digits are there in the number 539816 each of which has as many digits between them in the number as when the digits are arranged in descending order within the number ?
(1) None (2) One
(3) Two (4) Three
(5) More than three
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The given number is 539816 in descending order 135689 and the required pairs of numbers are 9-8, 8-6, 6-5, 5-3,3-1. Answer is 5. More than three.
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