Subject
Quantitative Aptitude
Topic
Number
In the following number series only one number is wrong. Find out the wrong number.
8 11 17 47 128 371 1100
In the following number series only one number is wrong. Find out the wrong number. 8 11 17 47 128 371 1100
ক)
11খ)
17গ)
47ঘ)
371ঙ)
128Explanation
In the following number series the pattern we observe is: Any number = 3 × (previous number) – 13 For example: 11 = (3 × 8) – 13 128 = (3 × 47) – 13 371 = (3 × 128) – 13 1100 = (3 × 371) – 13 But, for 17 we can observe: 17 ≠ (11 × 3) – 13 & 47 ≠ (17 × 3) – 13 ∴ 17 is the wrong number.Related questions
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