Question
Determine the unit digit of the product:
785×6194×319×1296Solution
Unit digit of the product of 785 × 6194 × 319 × 1296 = unit digit of the product of the unit digits of each of the 4 numbers i.e. unit digit of 5 × 4 × 9 × 6 = 1080 Unit digit of 1080 is ‘0’
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48 24 24 48 ? 1536
...If
= 3 then If x = 107, then find the value of x(x2 - 12x + 48) ?
