NIMCET 2021 Question Paper with solutions

Question : 73 of 120

Marks: +1, -0

Insert the missing number :

16,33,65,131,261, ?

Solution:

16 \×2+1=33

33 \×2-1=65

65 \×2+1=131

131 \×2-1=261

\∴261 \×2+1=523

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