किसी समांतर श्रेढ़ी में (a=17), (d=1) है। (40)वाँ पद क्या है?

In an AP, (a=17), (d=1). What is the (40)th term?

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Correct Answer

C. (56)

Step 1

Concept

\(a_{40}=17+39\times1=56\). When (d=1), (n-1) is directly added to the first term.

Step 2

Why this answer is correct

The correct answer is C. (56). \(a_{40}=17+39\times1=56\). When (d=1), (n-1) is directly added to the first term.

Step 3

Exam Tip

\(a_{40}=17+39\times1=56\)। जब (d=1) हो, तो (n-1) सीधे प्रथम पद में जुड़ता है।

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Mathematics Answer, Explanation and Revision Hints

किसी समांतर श्रेढ़ी में (a=17), (d=1) है। (40)वाँ पद क्या है? / In an AP, (a=17), (d=1). What is the (40)th term?

Correct Answer: C. (56). Explanation: \(a_{40}=17+39\times1=56\)। जब (d=1) हो, तो (n-1) सीधे प्रथम पद में जुड़ता है। / \(a_{40}=17+39\times1=56\). When (d=1), (n-1) is directly added to the first term.

Which concept should I revise for this Mathematics MCQ?

\(a_{40}=17+39\times1=56\). When (d=1), (n-1) is directly added to the first term.

What exam hint can help solve this Mathematics question?

\(a_{40}=17+39\times1=56\)। जब (d=1) हो, तो (n-1) सीधे प्रथम पद में जुड़ता है।