The suitable number that fits the blank in the sequence 3, 7, 13, 21, 31, ___, 57 is :
(1) 33
(2) 37
(3) 43
(4) 49
Answers
Answered by
2
3
3+4=7
7+6=13
13+8=21
21+10=31
31+12=43
3+4=7
7+6=13
13+8=21
21+10=31
31+12=43
Similar questions