यदि \(a_1=18\) और हर अगले पद में (9) जोड़ा जाता है, तो \(a_{12}\) क्या होगा?

If \(a_1=18\) and (9) is added to each next term, what is \(a_{12}\)?

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Correct Answer

B. (117)

Step 1

Concept

\(a_{12}=18+11\times9=117\). To reach the (12)th term, the difference is added (11) times.

Step 2

Why this answer is correct

The correct answer is B. (117). \(a_{12}=18+11\times9=117\). To reach the (12)th term, the difference is added (11) times.

Step 3

Exam Tip

\(a_{12}=18+11\times9=117\) है। (12)वें पद तक पहुँचने के लिए (11) बार अंतर जोड़ा जाता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=18\) और हर अगले पद में (9) जोड़ा जाता है, तो \(a_{12}\) क्या होगा? / If \(a_1=18\) and (9) is added to each next term, what is \(a_{12}\)?

Correct Answer: B. (117). Explanation: \(a_{12}=18+11\times9=117\) है। (12)वें पद तक पहुँचने के लिए (11) बार अंतर जोड़ा जाता है। / \(a_{12}=18+11\times9=117\). To reach the (12)th term, the difference is added (11) times.

Which concept should I revise for this Mathematics MCQ?

\(a_{12}=18+11\times9=117\). To reach the (12)th term, the difference is added (11) times.

What exam hint can help solve this Mathematics question?

\(a_{12}=18+11\times9=117\) है। (12)वें पद तक पहुँचने के लिए (11) बार अंतर जोड़ा जाता है।