Verbal Reasoning - Series Completion - Discussion
Discussion Forum : Series Completion - Section 1 (Q.No. 7)
Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
7.
1, 2, 3, 6, 9, 18, ?, 54
Answer: Option
Explanation:
The pattern is x 2, x 3/2, x 2, x 3/2, x 2,.....
So, missing term = 18 x 3/2 = 27.
Discussion:
20 comments Page 2 of 2.
Prem rana said:
1 decade ago
1*3 = 3.
3*2 = 6.
3*2 = 6.
3*3 = 9.
9*2 = 18.
9*3 = 27.
So you can easily find out.
3*2 = 6.
3*2 = 6.
3*3 = 9.
9*2 = 18.
9*3 = 27.
So you can easily find out.
Julia said:
9 years ago
1*2 = 2.
2*1.5 = 3.
3*2 = 6.
6*1.5 = 9.
9*2 = 18.
18*1.5 = 27.
27*2 = 54.
2*1.5 = 3.
3*2 = 6.
6*1.5 = 9.
9*2 = 18.
18*1.5 = 27.
27*2 = 54.
(3)
Hitesh said:
7 years ago
2-1 = 1,
3-2 = 1,
6-3 = 3,
9-6 = 3,
18-9 = 9,
x-18 = 9,
x = 18 + 9 = 27.
3-2 = 1,
6-3 = 3,
9-6 = 3,
18-9 = 9,
x-18 = 9,
x = 18 + 9 = 27.
(3)
Gaurav said:
1 decade ago
Also.
All the odd terms are multiplied by 3.
1, _, 3, _, 9, _, 27.
All the odd terms are multiplied by 3.
1, _, 3, _, 9, _, 27.
Suganya said:
1 decade ago
2-1=1
3-2=1
6-3=3
9-6=3
18-9=9
27-18=9
so the ans is 27
3-2=1
6-3=3
9-6=3
18-9=9
27-18=9
so the ans is 27
Eva said:
1 decade ago
1+2=3
1+2+3=6
6+3=9
6+3+9=18
18+9=27
18+9+27=54
1+2+3=6
6+3=9
6+3+9=18
18+9=27
18+9+27=54
Jameharun said:
1 decade ago
2*3 = 6
3*3 = 9
6*3 = 18
9*3 = 27
18*3 = 54
3*3 = 9
6*3 = 18
9*3 = 27
18*3 = 54
(1)
Rutvika Ravindra Wankhade said:
3 years ago
2 * 9 = 18.
And 6 * 9 = 54 so,
3 * 9 = 27.
And 6 * 9 = 54 so,
3 * 9 = 27.
(1)
P.Rushi kesh yadav said:
5 years ago
1 + 2 = 3,
3 + 6 = 9,
9 + 18 = 27.
3 + 6 = 9,
9 + 18 = 27.
(7)
Mahesh said:
1 decade ago
Also
Add 1, 1, 3, 3, 9, 9, 27.
Add 1, 1, 3, 3, 9, 9, 27.
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