There are 63 cards in a box numbered from 01 to 63. Every card is numbered with only 1 number.
Quantity 1:Probability of picking up a card whose digits, if interchanged, result in a number which is 3 6 more than the number picked up. Quantity 2:Probability of picking up a card, the number printed on which is a multiple of 8 but not that of 16.