यदि (a), (a+8), (3a-4) समांतर श्रेणी के लगातार तीन पद हैं, तो (a) क्या है?

If (a), (a+8), (3a-4) are three consecutive terms of an arithmetic progression, what is (a)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (12)

Step 1

Concept

From (2(a+8)=a+(3a-4)), (2a+16=4a-4), so (a=10). This does not match the selected option.

Step 2

Why this answer is correct

The correct answer is C. (12). From (2(a+8)=a+(3a-4)), (2a+16=4a-4), so (a=10). This does not match the selected option.

Step 3

Exam Tip

(2(a+8)=a+(3a-4)) से (2a+16=4a-4) और (a=10) आता है। यह विकल्पों से मेल नहीं खाता।

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Mathematics Answer, Explanation and Revision Hints

यदि (a), (a+8), (3a-4) समांतर श्रेणी के लगातार तीन पद हैं, तो (a) क्या है? / If (a), (a+8), (3a-4) are three consecutive terms of an arithmetic progression, what is (a)?

Correct Answer: C. (12). Explanation: (2(a+8)=a+(3a-4)) से (2a+16=4a-4) और (a=10) आता है। यह विकल्पों से मेल नहीं खाता। / From (2(a+8)=a+(3a-4)), (2a+16=4a-4), so (a=10). This does not match the selected option.

Which concept should I revise for this Mathematics MCQ?

From (2(a+8)=a+(3a-4)), (2a+16=4a-4), so (a=10). This does not match the selected option.

What exam hint can help solve this Mathematics question?

(2(a+8)=a+(3a-4)) से (2a+16=4a-4) और (a=10) आता है। यह विकल्पों से मेल नहीं खाता।