Two digits are both multiples of 2 and factors of 5. The tenth digit is both an even number and a multiple of 3. This two-digit number is (30).
In the following formula, the result of (c) is an even number.
a 5874+3273 B 1293-468 C 5675+62 1
Xiaoming's house number is three digits, and his highest digit is the smallest prime number. Ten digits are neither prime nor sum. If you subtract this three-digit number from the smallest composite number, it is both a multiple of 2 and a multiple of 3 and 5. What's Xiaoming's house number? 2 10