self
Maths Puzzle
1, 9, 25, 49, 81, ?
A. 100 B. 112
C. 121 D. 144
Read Solution (Total 2)
-
- C. 121
Series contains square of consecutive odd numbers.
1^2,3^2,5^2,7^2,9^2,11^2
- 13 years agoHelpfull: Yes(3) No(0)
- C.121
the series is +8,+16,+32,+40.....
therefore 81+40=121 - 13 years agoHelpfull: Yes(0) No(1)
self Other Question
28, 33, 31, 36, ?, 39
A. 32 B. 34
C. 38 D. 40
1, 9, 25, 49, ?, 121
A. 64 B. 81
C. 91 D. 100
