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What is the missing number in sequence 3 5 9 blank 15?
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What is the missing number in sequence 3 5 9 blank 15?

User Ahkam
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1 Answer

5 votes

Answer:

The missing number is 11.

Explanation:

3+2=5; 5+4=9; The pattern is +2, +4.

3 + 2 = 5 ⇒ 5 + 4 = 9 ⇒ 9 + 2 = 11 ⇒ 11 + 4 = 15

User Phil Cazella
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