Question discussion

How many such digits are there in the number 5231698 each of which is as far away from the beginning of the number as when the digits are r…

118353Medium 2 replies 1,124 views
21
How many such digits are there in the number 5231698 each of which is as far away from the beginning of the number as when the digits are rearranged in ascending order ?
  • ANone
  • BOne
  • CTwo
  • DThree
Answer not set
0
CCommunity
Solution
After reaaranging the digits we get, 1235689

Now, the pairs of digit 1&5, 2&3 and 8&9 have same distance from one another as that in the arrangement 5231698.

There are evidently three such pairs.

Hence, the correct option is D.
0
CCommunity
Solution
After reaaranging the digits we get, 1235689

Now, the pairs of digit 1&5, 2&3 and 8&9 have same distance from one another as that in the arrangement 5231698.

There are evidently three such pairs.

Hence, the correct option is D.