4500
88 of them.
The 2-digit multiples of 11 all have identical digits.
If a number is divisible by 2 (an even number) and 3 (the sum of the digits is divisible by 3) then the number is divisible by 6.
multiples of 2: 2, 4, 6, 8. 10 number of spade with multiples of 2........... 5 number of heart with multiples of 2 ............5 number of diamond with multiples of 2........5 number of spade with multiples of 2 ...........5 =============================== total number of cards with multiple of 2.....20 cards
ALL such numbers will be multiples of 9.
2 digits are in 30
2
2
The last two digits of multiples of 2 can be any of the even numbers from 00 to 98. This includes 00, 02, 04, 06, 08, 10, 12, 14, 16, 18, 20, and so on, up to 98. The five specific digits that can appear as the last two digits of these multiples are 0, 2, 4, 6, and 8, as they are the only digits that form even numbers.
2 - the 2 and the 6.
2 of them.
There are 2 significant digits: 5 and 4