Subject
Verbal Reasoning
Topic
Number Series Completion
In the following number series a wrong number is given. Find out the wrong number.
1, 3, 10, 21, 64, 129, 356, 777
In the following number series a wrong number is given. Find out the wrong number. 1, 3, 10, 21, 64, 129, 356, 777
ক)
129খ)
21গ)
10ঘ)
356Explanation
The given pattern is, 2nd term → 1*2+1 = 3 3rd term → 3*3+1 = 10 4th term → 10*2+1 = 21 5th term → 21*3+1 = 64 6th term → 64*2+1 = 129 7th term → 129*3+1= 388 So, 7th term 356 is wrong and must be replaced by 388 .Related questions
9, 11, 33, 13, 15, 33, 17, ... choose which pair of numbers comes next?1, 9, 25, 49, ?, 121. What will come at the place of question mark ?2, 3, 4, 5, 6, 4, 8, ... choose which pair of numbers comes next?U32, V29, __, X23, Y20. What number should fill the blank?6, 20, 8, 14, 10, 8, 12, ... choose which pair of numbers comes next?10, 100, 200, 310, ?8, 28, 116, 584, ?Choose the pair of numbers which comes next: 75, 65, 85, 55, 45, 85, 35,……