Verbal Reasoning - Series Completion - Discussion
Discussion Forum : Series Completion - Section 2 (Q.No. 5)
Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
5.
2, 8, 16, 128, ?
Answer: Option
Explanation:
Each term in the series, except the first two terms, is the product of the preceding two terms.
So, missing term = 16 x 128 = 2048.
Discussion:
2 comments Page 1 of 1.
Gokul said:
1 decade ago
First,
2*8 = 16.
8*16 = 128.
16*128 = 2048.
2*8 = 16.
8*16 = 128.
16*128 = 2048.
Thought a way! said:
1 decade ago
The series can written as:
2^1,2^3,2^4,2^7,___
here the exponents of two previous no.s are adding up to give the exponent of the next no.
So, the next no. is 2^11 ie, 2048
2^1,2^3,2^4,2^7,___
here the exponents of two previous no.s are adding up to give the exponent of the next no.
So, the next no. is 2^11 ie, 2048
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