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ap expert ratio MCQ Questions for Class 10

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2 questions tagged with ap expert ratio.

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

यदि \(a_{30}=8a_{14}\) और \(a_{14}=51\) है, तो \(a_{46}\) क्या होगा?

If \(a_{30}=8a_{14}\) and \(a_{14}=51\), what is \(a_{46}\)?

Explanation opens after your attempt
Correct Answer

B. (765)

Step 1

Concept

\(a_{30}=408\), so (16d=357) and \(d=\frac{357}{16}\). \(a_{46}=408+16\cdot\frac{357}{16}=765\).

Step 2

Why this answer is correct

The correct answer is B. (765). \(a_{30}=408\), so (16d=357) and \(d=\frac{357}{16}\). \(a_{46}=408+16\cdot\frac{357}{16}=765\).

Step 3

Exam Tip

\(a_{30}=408\), इसलिए (16d=357) और \(d=\frac{357}{16}\)। \(a_{46}=408+16\cdot\frac{357}{16}=765\)।

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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 \(a_{28}=7a_{12}\) और \(a_{12}=44\) है, तो \(a_{44}\) क्या होगा?

If \(a_{28}=7a_{12}\) and \(a_{12}=44\), what is \(a_{44}\)?

Explanation opens after your attempt
Correct Answer

B. (572)

Step 1

Concept

\(a_{28}=308\), so (16d=264) and \(d=\frac{33}{2}\). \(a_{44}=308+16\cdot\frac{33}{2}=572\).

Step 2

Why this answer is correct

The correct answer is B. (572). \(a_{28}=308\), so (16d=264) and \(d=\frac{33}{2}\). \(a_{44}=308+16\cdot\frac{33}{2}=572\).

Step 3

Exam Tip

\(a_{28}=308\), इसलिए (16d=264) और \(d=\frac{33}{2}\)। \(a_{44}=308+16\cdot\frac{33}{2}=572\)।

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