Question

Find the missing number: 0, 2, 6, ----, 20, 30

Answer 1

Answer:

12

Step-by-step explanation:

0,0+2,2+4,6+6,12+8,20+30

0, 2 , 6 , 12 , 20 , 30

Answer 2

In this series 1square -1 , 2square -2 , 3square -3 and so on
So ans will be 4 square -4
16-4 = 12