TNPSC Aptitude Shortcut | LCM of Co-Prime Numbers Trick | Solve in 5 Seconds 🔥

Are you preparing for TNPSC Group 1, Group 2/2A, Group 4, or VAO exams?
In this video, we solve an important TNPSC Aptitude question based on LCM and Co-Prime Numbers using a simple shortcut method that helps you answer within seconds.

Question

The LCM of two co-prime numbers is 5005.
If one of the numbers is 65, what is the other number?

Options:
A) 65
B) 66
C) 1
D) 77

Concept Used

For co-prime numbers, the LCM is equal to the product of the numbers.

So,

LCM = Number₁ × Number₂

5005 = 65 × Number₂

Number₂ = 5005 ÷ 65 = 77

✔ Correct Answer: 77

This is a very important concept frequently asked in TNPSC aptitude questions, and understanding this shortcut can save valuable time during the exam.

This Video is Useful For

✔ TNPSC Group 1
✔ TNPSC Group 2 / 2A
✔ TNPSC Group 4
✔ VAO Exam
✔ Competitive Exam Aptitude Preparation

Learn More with Vijayakumar IAS Academy

At Vijayakumar IAS Academy, we provide structured preparation for TNPSC exams including:

• Aptitude shortcut methods
• Daily practice questions
• Test series and evaluation
• Concept-based teaching

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Hashtags

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Видео TNPSC Aptitude Shortcut | LCM of Co-Prime Numbers Trick | Solve in 5 Seconds 🔥 канала VIJAYAKUMAR IAS ACADEMY