Question : Directions: In the following question, select the one that is different from the other three alternatives.
Option 1: 65
Option 2: 126
Option 3: 28
Option 4: 215
New: SSC CHSL Tier 2 answer key released | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
Correct Answer: 215
Solution :
Let's check the options –
First option:
65; 65 – 1 = 64 = 4
3
; 64 is a perfect cube.
Second option:
126; 126 – 1 = 125 = 5
3
; 125 is a perfect cube.
Third option:
28; 28 – 1 = 27 = 3
3
; 27 is a perfect cube.
Fourth option:
215; 215 – 1 = 214; 214 is not a perfect cube.
So, the fourth option differs from the others because its result is not a perfect cube after subtracting one from the given number. Hence, the fourth option is correct.
Related Questions
Know More about
Staff Selection Commission Combined High ...
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Get Updates Brochure
Your Staff Selection Commission Combined Higher Secondary Level Exam brochure has been successfully mailed to your registered email id “”.
