11
Look at the series:
2 & 6 +4
6 & 3 -3
3 & 8 +5
8 & 6 -2
6 & 12 +6
See the pattern that develops you switch between adding & subtracting. The additions increase by one each time & the subtractions decrease by 1. So following the pattern, the next number 12 subtracted by 1, since subtraction is the next operation in the series & the previous subtraction was by 2, so the next one will be by 1. Hence, 12 -1 = 11
The number which best completes the sequence below is: 2 9 5 13 10 19 17 ?
The number is 12. 12 ÷ 2 = 6 6 - 4 = 2
It is a deficient number. The first abundant number is 12. 12: 1,2,3,4,6,12 which equal 28 28>(12*2) and the abundance is 28-(12*2)=4
27. But that continues the sequence, it does not complete it.
2*2*3 = 12
11.
2 6 3 8 12
It could be: 2*214 = 428
One.
11
27 BUT, as far as I can tell, it does not complete the sequence which can continue further.
27.
The number which best completes the sequence below is: 2 9 5 13 10 19 17 ?
9
11
12 is a composite number that is a multiple of 2. 12 is not a prime number.
12 / 5 = 2 with a remainder of 2. So 12/5 as a mixed number is 2 2/5