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calculate the missing number 1,5,11,19,29,41,?


Detailed Solution:

⇒ 1-5=4

⇒ 11-5=6

⇒ 19-11=8

⇒  29-19=10

⇒ 41-29=12

⇒ x - 41 = 14

⇒ x = 55.

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