Self
Maths Puzzle
Logical Reasoning
Find next number in the series:
7,21,43,73,111,......
Read Solution (Total 3)
-
- (2^2)+3=7
(4^2)+5=21
(6^2)+7=43
(8^2)+9=73
(10^2)+11=111
(12^2)+13=157
SO ANS IS 157 - 9 years agoHelpfull: Yes(1) No(0)
- 21-7=14
22-14=8
43-21=22
30-22=8
73-43=30
38-30=8
111-73=38
46-38=8
157-111=46
so,,ans is 157 - 9 years agoHelpfull: Yes(0) No(0)
- 21-7=14
43-21=22
73-43=30
111-73=38
x-111=46
so x=157
ans is 157 - 9 years agoHelpfull: Yes(0) No(0)
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