यदि (4x+3y=p) और (8x+6y=42) की रेखाएं अनंत समाधान देती हैं, तो (p) क्या है?

If (4x+3y=p) and (8x+6y=42) give infinitely many solutions, what is (p)?

Explanation opens after your attempt
Correct Answer

C. (21)

Step 1

Concept

For infinitely many solutions, the second equation must be (2) times the first. Therefore (2p=42) and (p=21).

Step 2

Why this answer is correct

The correct answer is C. (21). For infinitely many solutions, the second equation must be (2) times the first. Therefore (2p=42) and (p=21).

Step 3

Exam Tip

अनंत समाधान के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। इसलिए (2p=42) और (p=21)।

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यदि (4x+3y=p) और (8x+6y=42) की रेखाएं अनंत समाधान देती हैं, तो (p) क्या है? / If (4x+3y=p) and (8x+6y=42) give infinitely many solutions, what is (p)?

Correct Answer: C. (21). Explanation: अनंत समाधान के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। इसलिए (2p=42) और (p=21)। / For infinitely many solutions, the second equation must be (2) times the first. Therefore (2p=42) and (p=21).

Which concept should I revise for this Mathematics MCQ?

For infinitely many solutions, the second equation must be (2) times the first. Therefore (2p=42) and (p=21).

What exam hint can help solve this Mathematics question?

अनंत समाधान के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। इसलिए (2p=42) और (p=21)।