Question

4
Find the wrong term in the following series,
0,4,78,54,100,180
​

Answer 1

Answer:

54 is the answer as numbers are increasing but after 78 no. suddenly decreases.

Answer 2

Answer:

0 * (1 * 1) = 0

1 * (2 * 2) = 4

2 * (3 * 3) = 18

3 * (4 * 4) = 48

4 * (5 * 5) = 100

5 * (6 * 6) = 180

Therefore the series is 0, 4, 18, 48, 100, 180.