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Observe the given figure. The distance between the two centers AB is 

F1 SSC Arbaz 6-10-23 D17

This question was previously asked in
SSC CGL 2023 Tier-I Official Paper (Held On: 18 Jul 2023 Shift 4)
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  1. 10 cm
  2. 11 cm
  3. 13 cm
  4. 12 cm

Answer (Detailed Solution Below)

Option 3 : 13 cm
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Detailed Solution

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Formula used:

Direct common tangent = √ (distance between the two centers2 - ( r1  - r2)2

Calculation: 

Distance between the two centers is = d cm

As per the formula,

12 = √ (d2 - ( 8  - 3)2.

⇒ 144 = d2 - 25

⇒ d2 = 169

⇒ d = 13

∴ The correct option is 3

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Latest SSC CGL Updates

Last updated on Jun 11, 2025

-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.

-> The UPSC Prelims Result 2025 and UPSC IFS Result 2025 has been released @upsc.gov.in

-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.

-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.

->  The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.

->  Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.

-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.

-> The CGL Eligibility is a bachelor’s degree in any discipline.

-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.

-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.

-> Candidates should also use the SSC CGL previous year papers for a good revision. 

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