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ap expert recursive difference MCQ Questions for Class 10

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2 questions tagged with ap expert recursive difference.

Question 1/2 Expert Mathematics Arithmetic Progressions (AP) Finding the $n$th term of an AP Class 10 Level 66

यदि \(a_{n+7}-a_n=119\) है और \(a_{20}=219\) है, तो \(a_{55}\) क्या होगा?

If \(a_{n+7}-a_n=119\) and \(a_{20}=219\), what is \(a_{55}\)?

Explanation opens after your attempt
Correct Answer

C. (814)

Step 1

Concept

(7d=119), so (d=17). \(a_{55}=219+35\times17=814\).

Step 2

Why this answer is correct

The correct answer is C. (814). (7d=119), so (d=17). \(a_{55}=219+35\times17=814\).

Step 3

Exam Tip

(7d=119), इसलिए (d=17)। \(a_{55}=219+35\times17=814\)।

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Question 2/2 Expert Mathematics Arithmetic Progressions (AP) Finding the $n$th term of an AP Class 10 Level 65

यदि \(a_{n+6}-a_n=96\) है और \(a_{18}=157\) है, तो \(a_{48}\) क्या होगा?

If \(a_{n+6}-a_n=96\) and \(a_{18}=157\), what is \(a_{48}\)?

Explanation opens after your attempt
Correct Answer

C. (637)

Step 1

Concept

(6d=96), so (d=16). \(a_{48}=157+30\times16=637\).

Step 2

Why this answer is correct

The correct answer is C. (637). (6d=96), so (d=16). \(a_{48}=157+30\times16=637\).

Step 3

Exam Tip

(6d=96), इसलिए (d=16)। \(a_{48}=157+30\times16=637\)।

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