Question

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Answer 1

Answer:

there was addition of 3 lines in every series

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Answer 2

Read it completely till end

1. In the first figure there are four matchstick only and no attached to it....so it is 4 + 0...
2. In the next it is 4+3
3. In the next one it is 4+6
4. Then 4+9

So it is , on the difference of 3 i.e 0,3,6,9 so next will be 9+3 = 12

And next pattern will be 4+12 sticks as shown in the photo attached...

The rule will be 4+3x or 3x+4 of the pattern given for the no. of matchstick...

Hope it helps...

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