14 Views

Question : Directions: From the given options, choose the correct one that will replace the question mark (?) in the following series.
1, 5, 3, 2, 10, 6, 4, 15, 9, 8, ?, 12

Option 1: 20

Option 2: 19

Option 3: 15

Option 4: 18


Team Careers360 25th Jan, 2024
Answer (1)
Team Careers360 27th Jan, 2024

Correct Answer: 20


Solution : Given:
1, 5, 3, 2, 10, 6, 4, 15, 9, 8, ?, 12

Multiply the number by 2 and add 5 and 3 as shown, to obtain the required missing number –

Therefore, the required missing number in the series is 20. Hence, the first option is correct.

Know More About

Related Questions

Amity Online MBA
Apply
Apply for an Online MBA from Amity Online.
Manipal Online M.Com Admissions
Apply
Apply for Online M.Com from Manipal University
View All Application Forms

Upcoming Exams

Admit Card Date: 1 Aug, 2025 - 3 Aug, 2025
Preliminary Exam Date: 4 Aug, 2025 - 5 Aug, 2025
Application Date: 26 Jul, 2025 - 17 Aug, 2025

Download the Careers360 App on your Android phone

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

150M+ Students
30,000+ Colleges
500+ Exams
1500+ E-books