Level 1
In the 5-digit number, 8 ___ 542, the difference between the value of the digit 8 and the value of the missing digit is 77000. What is the missing digit?
Level 1
I am a 4 digit number. I am a number with the digits 9, 0, 4, 7. The digit '9' is in the ones place. The digit '7' stands for 70. What number am I?