1, 2, 6, 21, 88, __?
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Answer / kaarthik
1
2=(1+1)1
6=(2+1)2
21=(6+1)3
88=(21+1)4
So 445=(88+1)5
& 2676=(445+1)6
Simple logic :-)
| Is This Answer Correct ? | 166 Yes | 12 No |
Answer / ummid salma
(x*i+i)
1*1+1=2,
2*2+2=6,
6*3+3=21,
21*4+4=88,
88*5+5=445,
445*6+6=2676.
1,2,6,21,88,445,2676.
| Is This Answer Correct ? | 99 Yes | 7 No |
Answer / arupananda
ans 445
(1+1)=2*1=2
(1+2)=3*2=6
(1+6)=7*3=21
(1+21)=22*4=88
(1+88)=89*5=445
| Is This Answer Correct ? | 35 Yes | 5 No |
Answer / kavitha s
Column Logic Answer
1 1 1
2 =(1*2)-(1-1) 2
3 =(2*3)-(2-2) 6
4 =(6*4)-(6-3) 21
5 =(21*5)-(21-4) 88
6 =(88*6)-(88-5) 445
| Is This Answer Correct ? | 33 Yes | 8 No |
Answer / somnath chougole
2×2=4+2=6
6×3=18+4=21
21×4=84+4=88
88×5=440+5=445
445×6=2670+6=2676
| Is This Answer Correct ? | 6 Yes | 2 No |
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