यदि समांतर श्रेणी के लगातार तीन पद (2x-1), (3x+2), (5x+1) हैं, तो समान अंतर क्या है?

If three consecutive terms of an arithmetic progression are (2x-1), (3x+2), (5x+1), what is the common difference?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (8)

Step 1

Concept

From (2(3x+2)=(2x-1)+(5x+1)), (x=4), so the common difference is (14-7=7). Calculate (x) first and then the difference.

Step 2

Why this answer is correct

The correct answer is D. (8). From (2(3x+2)=(2x-1)+(5x+1)), (x=4), so the common difference is (14-7=7). Calculate (x) first and then the difference.

Step 3

Exam Tip

(2(3x+2)=(2x-1)+(5x+1)) से (x=4), इसलिए समान अंतर (14-7=7) नहीं बल्कि (14-7=7) है। सही गणना में (d=7) आता है।

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यदि समांतर श्रेणी के लगातार तीन पद (2x-1), (3x+2), (5x+1) हैं, तो समान अंतर क्या है? / If three consecutive terms of an arithmetic progression are (2x-1), (3x+2), (5x+1), what is the common difference?

Correct Answer: D. (8). Explanation: (2(3x+2)=(2x-1)+(5x+1)) से (x=4), इसलिए समान अंतर (14-7=7) नहीं बल्कि (14-7=7) है। सही गणना में (d=7) आता है। / From (2(3x+2)=(2x-1)+(5x+1)), (x=4), so the common difference is (14-7=7). Calculate (x) first and then the difference.

Which concept should I revise for this Mathematics MCQ?

From (2(3x+2)=(2x-1)+(5x+1)), (x=4), so the common difference is (14-7=7). Calculate (x) first and then the difference.

What exam hint can help solve this Mathematics question?

(2(3x+2)=(2x-1)+(5x+1)) से (x=4), इसलिए समान अंतर (14-7=7) नहीं बल्कि (14-7=7) है। सही गणना में (d=7) आता है।