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2 12 30 56............. series?

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2 12 30 56............. series?..

1x2 = 2
3x4 = 12
5x6 = 30
7x8 = 56
9x10= 90
11x12=132
so on

 Is This Answer Correct ? 130 Yes 16 No

2 12 30 56............. series?..

2 12 30 56 90 132

 Is This Answer Correct ? 77 Yes 19 No

2 12 30 56............. series?..

90

 Is This Answer Correct ? 43 Yes 16 No

2 12 30 56............. series?..

2 12 30 56
diff= 10 18 26
diff= 8 8
next= 26+8=34
= 34 + 56=90

 Is This Answer Correct ? 24 Yes 5 No

2 12 30 56............. series?..

diff between 2 and 12 is 10
---- 10+8=18
diff between 12 and 30 is 18
---- 18+8=26
diff between 30 and 56 is 26
----26+8=34
diff between 56 and 90 is 34
-----34+8=42
diff between 90 and 132 is 42
-----42+8=50
diff between 132and 182 is 50

and so on. so final ans is 2,12,30,56,90,132,182.....

 Is This Answer Correct ? 15 Yes 3 No

2 12 30 56............. series?..

02 = (1^2) + 1
12 = (3^2) + 3
30 = (5^2) + 5
56 = (7^2) + 7
Hence, the next term should be :
90 = (9^2) + 9

 Is This Answer Correct ? 8 Yes 2 No

2 12 30 56............. series?..

2 12 30 56 90 132

 Is This Answer Correct ? 9 Yes 5 No

2 12 30 56............. series?..

2*1, 4*3, 6*5, 8*7,....
=>next no will be 10*9 i.e 90
therefore, series becomes 2 12 30 56 90 132 n so on

 Is This Answer Correct ? 5 Yes 2 No

2 12 30 56............. series?..

90.....132.....182

 Is This Answer Correct ? 6 Yes 4 No

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