Riddle

[jamnik10]

hey, i've got some riddles and I can't find solutions

1. Which number should you replace `?` sign?



2. Which item is not matching the others?




3 Which number should you replace `?` sign?


4 Which number should you replace `?` sign?

 

[Deleted member 4993]

hey, i've got some riddles and I can't find solutions

1. Which number should you replace `?` sign?

View attachment 27422

2. Which item is not matching the others?


View attachment 27423

3 Which number should you replace `?` sign?
View attachment 27424

4 Which number should you replace `?` sign?

View attachment 27425

Please show us what you have tried and exactly where you are stuck.

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Please share your work/thoughts about this problem

 

[Dr.Peterson]

For #4, look at factors of the middle number; you'll be getting it by multiplying two numbers (if you do what I did -- as always, there's no guarantee that the answer is unique).

For #3, just think about addition.

For #2, I don't know what the question means, but only one doesn't match any other.

#1 doesn't look worth trying.