यदि समानांतर श्रेढ़ी के लगातार तीन पद (x), (x+6), (2x) हैं, तो (x) का मान क्या है?

If three consecutive terms of an arithmetic progression are (x), (x+6), (2x), what is the value of (x)?

Author: Muft Shiksha Editorial Team Published: Updated:
Explanation opens after your attempt
Correct Answer

D. (12)

Step 1

Concept

In an arithmetic progression (2(x+6)=x+2x), so (x=12). The middle term is the average of the two surrounding terms.

Step 2

Why this answer is correct

The correct answer is D. (12). In an arithmetic progression (2(x+6)=x+2x), so (x=12). The middle term is the average of the two surrounding terms.

Step 3

Exam Tip

समानांतर श्रेढ़ी में (2(x+6)=x+2x), इसलिए (x=12)। बीच का पद दोनों ओर के पदों का औसत होता है।

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यदि समानांतर श्रेढ़ी के लगातार तीन पद (x), (x+6), (2x) हैं, तो (x) का मान क्या है? / If three consecutive terms of an arithmetic progression are (x), (x+6), (2x), what is the value of (x)?

Correct Answer: D. (12). Explanation: समानांतर श्रेढ़ी में (2(x+6)=x+2x), इसलिए (x=12)। बीच का पद दोनों ओर के पदों का औसत होता है। / In an arithmetic progression (2(x+6)=x+2x), so (x=12). The middle term is the average of the two surrounding terms.

Which concept should I revise for this Mathematics MCQ?

In an arithmetic progression (2(x+6)=x+2x), so (x=12). The middle term is the average of the two surrounding terms.

What exam hint can help solve this Mathematics question?

समानांतर श्रेढ़ी में (2(x+6)=x+2x), इसलिए (x=12)। बीच का पद दोनों ओर के पदों का औसत होता है।