Question

find the sequence. ...1 ,11 ,35 ,79 _ what comes next ....................here are options a. 81 b. 93 c. 149 d. 124 e. 136

Answer 1

A + B + C + D = 1
8A + 4B + 2C + D = 11
27A + 9B + 3C + D = 35
64A +16B + 4C + D = 79

answer is

c.149


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Answer 2

Answer: Option.C

The given sequence is 1,11 ,35,79,...

1 = $1^3 + 1^2 - 1$= (1 + 1) -1 = 1 ,

11 =$2^3 + 2^2 - 1$= (8 + 4) -1 = 11 ,

35 = $3^3 + 3^2 - 1$= (27 + 9) -1 = 35 ,

79 = $4^3 + 4^2 -1$= (64 + 16) -1 = 79 ,

Similarly,

? = $5^3 + 5^2 - 1$ = (125 + 25) -1 = 150 – 1 = 149.

Hence, the required option is c.