A) 100
B) 43
C) 57
D) 1000
Correct Answer: A
Solution :
| H | T | O | |
| + | 5 | 7 | 0 |
| 4 | 3 | 0 | |
| 1 | 0 | 0 | 0 |
| 1000 =100 tens | |||
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