2007-05-24 05:37:40 · 10 answers · asked by Fernando L 1 in Science & Mathematics ➔ Mathematics
1, 4, 9, 12, 17, 20, . . .
The pattern
1 + 3 = 4
4 + 5 = 9
9 + 3 = 12
12 + 5 = 17
17 + 3 = 20
20 + 5 = 25
- - - - - - - - - -s-
2007-05-24 06:21:03 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋
there is an alternating +3 and + 5
so
1 +3=4+5=9+3=12+5=17+3=20+5=25
2007-05-24 05:43:55 · answer #2 · answered by cute-goddess 5 · 2⤊ 0⤋
25
2007-05-24 05:42:22 · answer #3 · answered by Kathryn B 2 · 2⤊ 0⤋
25
2007-05-24 05:42:10 · answer #4 · answered by OTIS IS MY CAT 1 · 2⤊ 0⤋
25
2007-05-24 05:40:58 · answer #5 · answered by deniver2003 4 · 2⤊ 0⤋
Answer: 25
1,4,9,12,17,20.....?
1
1+3
4+5
9+3
12+5
17+3
20+5
25+3
28+5
31+3
34 which is the traffic number of city Istanbul, Turkey as a joke!!!
2007-05-24 05:57:01 · answer #6 · answered by iyiogrenci 6 · 0⤊ 0⤋
25
1+3 = 4 +5 = 9 + 3 = 12 + 5 = 17...
Alternating +3,+5
2007-05-24 05:40:55 · answer #7 · answered by whitesox09 7 · 2⤊ 0⤋
25.
2007-05-24 05:46:01 · answer #8 · answered by shop2mall.com 2 · 1⤊ 0⤋
the difference is alternate 2 and 4
the next no will be 25,28,33,36,41,44,49,52,57...........................................and so on
2007-05-24 05:48:14 · answer #9 · answered by amal 2 · 0⤊ 0⤋
25
Dammit I thought I was first!!
2007-05-24 05:40:58 · answer #10 · answered by Nature Boy 6 · 1⤊ 0⤋