-3
find the missing number 8-4-9 14-5-2 18-1-blank?
26
Find the missing number in the series (in red) :2 , 4 , 5, 9, 9 , 16 , 14 , ? , 20 , ….
2
The missing number is 18
find the missing number 8-4-9 14-5-2 18-1-? i think it's 2 then the sum of all numbers in each set is 21
30, 20, 36, 23, 42, 26
18
3 9 19 - 51DIFF: 6 10 14 1851-18=33Answer is 33.
26 Edit: a₁ = 8 , a₂= 8 + 2 = 10 , a₃& a₄up by 4, a₅ & a₆ up by 8 , .... by 16 a₄= 18 a₅ = 18 + 8 = 26 => answer
961526412
103