Question

what is missing digit
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Answer 1

Answer:

82

Step-by-step explanation:

1. (5*7)^2 * 7^2 = 1225 * 49 = 60025

6+0+0+2+5 = 13 opposite = 31

2. (8*3)^2 * 3^2 = 5184

5+1+8+4 = 18 opposite = 81

3. (8*9)^2 * 9^2 = 419904

4+1+9+9+0+4 = 27 opposite = 72

similarly, (7*7)^2 * 7^2 = 117649

1+1+7+6+4+9 = 28

opposite = 82

god, this one was tough :-|