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Question

The last three - digits of the multiplication 12345 × 54321 will be

A
865
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B
745
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C
845
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D
945
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Solution

The correct option is B 745
Divide the given expression by 1000 and find the remainder to get the answer. (12345 × 54321) ÷ 1000 = (2469 × 54321) ÷ 200 gives a remainder of (69 × 121) ÷ 200 = 8349 ÷ 200 gives us a remainder of 149. Thus, the remainder would be 149 × 5 = 745. Hence, the last three digits would be 745.

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