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प्रश्न
If B × B = AB, then either A = 2, B = 5 or A = ______, B = ______.
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उत्तर
If B × B = AB, then either A = 2, B = 5 or A = 3, B = 6.
Explanation:
B
Given, × B
A B
Here, B × B is a two-digit number, whose unit digit is B, therefore the value of B is either 5 or 6.
If B = 5, then A = 2 and If B = 6, then A = 3.
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