- A31
- B34
- C62
- D28
Step-by-Step Solution
Numbers from 30 to 39 with digit sum 4 are 31 (3+1=4) and 40 is out of range. 31 is prime, so the number is 31.
Answer: A) 31
A number between 30 and 40 is prime, and the sum of its digits is 4.
What is the number?
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