यदि \(30, 24, 18,\ldots\) से \(2, 7, 12,\ldots\) को पद-दर-पद घटाया जाए, तो नए अनुक्रम का सार्व अंतर क्या होगा?

If \(2, 7, 12,\ldots\) is subtracted term by term from \(30, 24, 18,\ldots\), what will be the common difference of the new sequence?

Explanation opens after your attempt
Correct Answer

A. (-11)

Step 1

Concept

The first sequence has (d=-6) and the second has (d=5), so the difference sequence has (d=-6-5=-11). In termwise subtraction, the common differences also subtract.

Step 2

Why this answer is correct

The correct answer is A. (-11). The first sequence has (d=-6) and the second has (d=5), so the difference sequence has (d=-6-5=-11). In termwise subtraction, the common differences also subtract.

Step 3

Exam Tip

पहले अनुक्रम का (d=-6) और दूसरे का (d=5) है, इसलिए अंतर अनुक्रम का (d=-6-5=-11)। पद-दर-पद घटाव में (d) भी घटते हैं।

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यदि \(30, 24, 18,\ldots\) से \(2, 7, 12,\ldots\) को पद-दर-पद घटाया जाए, तो नए अनुक्रम का सार्व अंतर क्या होगा? / If \(2, 7, 12,\ldots\) is subtracted term by term from \(30, 24, 18,\ldots\), what will be the common difference of the new sequence?

Correct Answer: A. (-11). Explanation: पहले अनुक्रम का (d=-6) और दूसरे का (d=5) है, इसलिए अंतर अनुक्रम का (d=-6-5=-11)। पद-दर-पद घटाव में (d) भी घटते हैं। / The first sequence has (d=-6) and the second has (d=5), so the difference sequence has (d=-6-5=-11). In termwise subtraction, the common differences also subtract.

Which concept should I revise for this Mathematics MCQ?

The first sequence has (d=-6) and the second has (d=5), so the difference sequence has (d=-6-5=-11). In termwise subtraction, the common differences also subtract.

What exam hint can help solve this Mathematics question?

पहले अनुक्रम का (d=-6) और दूसरे का (d=5) है, इसलिए अंतर अनुक्रम का (d=-6-5=-11)। पद-दर-पद घटाव में (d) भी घटते हैं।