TS ICET 2015 Question Paper with Solutions for online practice

Note :

In each of the questions numbered 21 to 30, a sequence of numbers or letters that follow a definite pattern is given. Each question has a blank space. This has to be filled by the correct answer from the four given options to complete the sequence without breaking the pattern.

Question : 22 of 200

Marks: +1, -0

2,26,242, .....................

546
956
1266
2186

Validate

Solution:

\;2,

\;26

\;\;\;242

, ?

\;↓

\;\;↓

\;\;\;↓

\;\;\;↓

3^1-1\;\;\;3^3-1\;\;\;3^5-1\;\;\;3^7-1

∴

?=3^7-1=2186

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