Question 8
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The digits of a two-digit number are described in the table.
| Place | Tens | Units |
|---|---|---|
| Digit | twice the units digit | x |
| Sum of the two digits | 12 |
What is the number?
- A 48
- B 63
- C 84 Correct
- D 93
Correct Answer: Option C
Tens = 2x, units = x → 2x + x = 12
x = 4 → tens digit 8
Number = 84
Trap: 48 swaps the digits.
Answer: 84
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