How many such pairs of digits are there in the number ‘5391246’ in both forward and backward directions, each of which has as many digits between them in the number as when the digits are arranged in ascending order within the number ?
Number - ‘5391246’
Ascending order : 1234569
There are 4 pairs of digits in both forward and backward directions, each of which has as many digits between them in the number as when the digits are arranged in ascending order are :
= (1,2) , (3,1) , (4,9) , (5,9)
=> Ans - (E)
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