Verbal Reasoning - Series Completion - Discussion
Discussion Forum : Series Completion - Section 1 (Q.No. 8)
Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
8.
6, 13, 25, 51, 101, ?
Answer: Option
Explanation:
The pattern is x 2 + 1, x 2 - 1, x 2 + 1, x 2 - 1,.....
So, missing term = 101 x 2 + 1 = 203.
Discussion:
12 comments Page 1 of 2.
Tanmay Kamble said:
6 years ago
6+6+1 = 13,
13+13-1 = 25,
25+25+1 = 51,
101 +101-1 = 101,
101+101+1 = 203.
Answer is 203.
13+13-1 = 25,
25+25+1 = 51,
101 +101-1 = 101,
101+101+1 = 203.
Answer is 203.
(8)
Meharun said:
1 decade ago
6*2 = 12+1 = 13.
25*2 = 50+1 = 51.
101*2 = 202+1 = 203.
25*2 = 50+1 = 51.
101*2 = 202+1 = 203.
(4)
Prabin said:
1 year ago
6*2 + 1 = 13,
13*2-1 = 25,
25*2 + 1 = 51,
51*2 - 1 = 101,
101*2 + 1 = 203.
13*2-1 = 25,
25*2 + 1 = 51,
51*2 - 1 = 101,
101*2 + 1 = 203.
(3)
Nishritha said:
1 decade ago
6 is divisible by 2
13*2=26
(26-1)=25
26*2=(52)
52-1=51
52*2=102
102-1=101
102*2=204
204-1=203
13*2=26
(26-1)=25
26*2=(52)
52-1=51
52*2=102
102-1=101
102*2=204
204-1=203
(1)
Ankush said:
1 decade ago
How 101?
It should be 51*2+1=103.
It should be 51*2+1=103.
(1)
Farooq said:
10 years ago
Different ways to solve these type of questions.
(1)
Uday said:
1 decade ago
What is X here. I can't get the Answer. Please suit X.
Lavanya said:
1 decade ago
6+6 = 12+1=13
13+13 = 26-1=25
25+25 = 50+1=51
51+51 = 102-1=101
101+101=202+1=203
13+13 = 26-1=25
25+25 = 50+1=51
51+51 = 102-1=101
101+101=202+1=203
Nirajsingh said:
1 decade ago
Simple for,
13-6 = 7, 7*2 = 14 diff -2.
25-13 = 12 12*2 = 24 diff +2.
51-25 = 26 26*2 = 52 diff -2.
101-51 = 50. So, 50*2 = 100 diff +2 100+2 = 102.
So different between them is -2, +2 so 203-101 = 102.
13-6 = 7, 7*2 = 14 diff -2.
25-13 = 12 12*2 = 24 diff +2.
51-25 = 26 26*2 = 52 diff -2.
101-51 = 50. So, 50*2 = 100 diff +2 100+2 = 102.
So different between them is -2, +2 so 203-101 = 102.
Deepak said:
1 decade ago
6*2+1=13.
13*2-1=25.
25*2+1=51.
51*2-1=101.
101*2+1=203.
13*2-1=25.
25*2+1=51.
51*2-1=101.
101*2+1=203.
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