How Many Numbers Can Be Formed Using a Certain Number of Digits?
The unit's di...
Question
The unit's digit in the product 274×318×577×313 is:
A
2
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B
3
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C
4
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D
5
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Solution
The correct option is A 2 Theunitsplacenumbersare4,8,7and3.4×8=32⟶unitsplacenumberis22×7=14⟶unitsplacenumberis44×3=12⟶unitsplacenumberis2Answer−OptionA