Hard number series problem

What are the next three numbers in this puzzle????

4, 6, ,12, 18, 30, 42, 60, 72, 102, 108, ?, ?, ?

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Number Series

Solve the number series by identifying the last number??

1, 4, 5, 6, 7, 9, 11, ?

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Mathematical pyramid Puzzle

Complete the pyramid by replacing????

1
1  1
2  1
1  2  1  1
1  1  1  2  2  1
?  ?  ?   ?  ?  ?
?  ?  ?  ?  ?  ?  ?  ?

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What comes nxt??

Let's find how sharp you are..Find out the next number??

192, 021, 222, 324, 252, 627, 2__, 9__??

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Number logical puzzle

Read the following equation and find out the following one????

111 = O
222  =E
333 = T
444 = S

555 = ???

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5 to 7 squares # Stick Puzzle

Notice 5 squares in the picture. Move 2 sticks to form 7 squares. Sticks can be placed on other and squares need not be of same size.

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5 to 4 squares by moving 3 sticks# Stick Puzzle

Move 3 sticks so that 4 squares of equal size are left. Each stick has to be side of a square.

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