Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
15, 28, 45, ?, 87, 116, 147
Option 1: 64
Option 2: 70
Option 3: 54
Option 4: 72
New: SSC Stenographer Application Form 2024 Released
Don't Miss: Month-wise current affairs
Suggested: Upcoming government exams
Correct Answer: 64
Solution :
Given:
15, 28, 45, ?, 87, 116, 147
Add the prime numbers to the previous term to obtain the next term.
15 + 13 = 28; 28 + 17 = 45; 45 + 19 = 64; 64 + 23 = 87; 87 + 29 = 116; 116 + 31 = 147
So, 64 is the missing term in the given series. Hence, the first option is correct.
Related Questions
Know More about
Staff Selection Commission Stenographer ...
Application | Eligibility | Dates | FAQs
Get Updates BrochureYour Staff Selection Commission Stenographer Grade C & D Exam brochure has been successfully mailed to your registered email id “”.