Crossword Puzzles Questions

7. Which number comes next in this sequence?
 
Answer
86
Working from top to bottom, double the previous number and subtract 1,2,3 and 4.
8. Which number will complete this grid?
 
Answer
5
Add the middle three numbers and write the answer, in reverse in the first two columns. Multiply the same three numbers and write this answer, again in reverse order, in the last two columns.
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