Question

16 19 21 30 46 71 107
Find out that wrong number.
1) 19
2) 21
3) 30
4) 46
5) 71

Answer 1

19 is wrong
it has to be 16 17 21 30 46 71 107
the difference between consecutive numbers makes square series= 1 4 9 16 25 36

Answer 2

Answer:

16+1=17

17+4=21

21+9=30

30+16=46

46+25=71

71+36=107

107+49= 156 Ans