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The unit digit in the product (784×618×917×463)(784 \times 618 \times 917 \times 463) is :

Solution

Correct Option: 4

Multiply unit digits: 4×8×7×34 \times 8 \times 7 \times 3.

4×8=324 \times 8 = 32 (unit 2).

2×7=142 \times 7 = 14 (unit 4).

4×3=124 \times 3 = 12 (unit 2).

Unit digit = 2.

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