Question : What is the circumference of a circle whose radius is 10.5 cm?
Option 1: 21 cm
Option 2: 66 cm
Option 3: 30 cm
Option 4: 110 cm
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: 66 cm
Solution :
The circumference of a circle is given by the formula $C = 2\pi r$ where $r$ is the radius of the circle.
Substituting $r = 10.5$ cm into the formula,
$C = 2\pi \times 10.5= 2\times\frac{22}{7} \times 10.5= 66 \text{ cm}$
Hence, the correct answer is 66 cm.
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 “”.
