How many such digits are there in the number 96258431 each of which is as far away from the beginning of the number as when the digits are arranged in descending order within the number ?

Kamal walks 20 m towards North. He then turns left and walks 40 m. He again turns left and walks 20 m. Further, he moves 20 m after turning to the right. How far is he from his original position ?

In a certain code '247' means 'good little boy', '258' means 'tall big boy' and '791' means 'beautiful little girl'. Which digit in that language means 'good' ?