Brain Teasers
Four Numbers
In the equation A234+1B34+12C4+123D=12345, each letter represents a digit. Can you get them?
Answer
The ones digits read 4+4+4+D=5 (or 15), so D=3 to make 15. Carry 1 to the tens digits.The tens digits read 3+3+C+3+1=4 (or 14), so C=4 to make 14. Carry 1 to the hundreds digits.
The hundreds digits read 2+B+2+2+1=3 (or 13), so B=6 to make 13. Carry 1 to the thousands digits.
The thousands digits read A+1+1+1+1=12, so A=8 to make 12.
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