1
Question
In following questions, one term in number series is incorrect.
Find out the incorrect number 1, 3, 10, 21, 64, 129, 256, 778
In following questions, one term in number series is incorrect.
Find out the incorrect number 1, 3, 10, 21, 64, 129, 256, 778
Open in App
Solution
The correct option is A 256
The sequence is * 2 + 1, * 3 + 1, * 2 + 1, * 3 + 1,....
So, 256 is wrong and must be replaced by (129 * 2 + 1) i.e. 259.
The sequence is * 2 + 1, * 3 + 1, * 2 + 1, * 3 + 1,....
So, 256 is wrong and must be replaced by (129 * 2 + 1) i.e. 259.
Suggest Corrections
0
Similar questions
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
