0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ? In above, first series is 0,1,2,3,4,5 and the other series is 0,3,6,9,12,?

0+3=3 3+3=6 6+3=9 9+3=12 hence, 12+3=15

the answer is 15

answer is 15

the Answer is fifteen 15

15 given series has two sub-serieses 0,1,2,3,4,5... and 0,3,6,9,12,15,...