Question

The number 21328 has a unique feature : The sum of first four digits equals the units digit. How many even five- digit number have this unique property?

Answer 1

There are 34 different numbers that match.
11114
22228
51118,15118,11518,11158
31116,13116,11316,11136
42118 and permutations of the first four digits make 12 more
32218 and permutations of the first four digits make 12 more 

Answer 2

Answer:

200

Step-by-step explanation:

for number having unit digit = 2

1 0 0 1 2

total = 4

4 + 20 + 56 + 120

answer is adding all we get

=200