Number system · UPSC CDS/OTA · Question 17 of 30

Number system – Question 17

Step-by-step solution. Number system for UPSC CDS/OTA.

Topic
Number system
Subject
Mathematics
Difficulty
Easy
Solve Time
45–60 sec

Solved UPSC CDS/OTA Question

A solved UPSC CDS/OTA PYQ — decoded step-by-step.

Solve it the standard way once — then learn the shortcut.

Q · Number systemEasy · 45s

What is the remainder when 125 is divided by 6?

TopicNumber system
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

The complete worked solution.

Every step explained — no skipped algebra.

Solve step-by-step using number system concepts. What is the remainder when 125 is divided by 6? → 5

Final Answer: Option D — 5
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Number system Question 17 – UPSC CDS/OTA