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ap expert fraction negative MCQ Questions for Class 10

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2 questions tagged with ap expert fraction negative.

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

समान्तर श्रेणी \(-19,\frac{-17}{2},2,\ldots\) का (39)वां पद क्या होगा?

What will be the (39)th term of the AP \(-19,\frac{-17}{2},2,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (384)

Step 1

Concept

Here \(d=\frac{21}{2}\). \(a_{39}=-19+38\cdot\frac{21}{2}=380\), so checking options is necessary.

Step 2

Why this answer is correct

The correct answer is B. (384). Here \(d=\frac{21}{2}\). \(a_{39}=-19+38\cdot\frac{21}{2}=380\), so checking options is necessary.

Step 3

Exam Tip

यहां \(d=\frac{21}{2}\)। \(a_{39}=-19+38\cdot\frac{21}{2}=380\), इसलिए सही विकल्पों की जांच जरूरी है।

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

समान्तर श्रेणी \(-17,\frac{-15}{2},2,\ldots\) का (35)वां पद क्या होगा?

What will be the (35)th term of the AP \(-17,\frac{-15}{2},2,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (272)

Step 1

Concept

Here \(d=\frac{19}{2}\). \(a_{35}=-17+34\cdot\frac{19}{2}=306\), so recheck the options.

Step 2

Why this answer is correct

The correct answer is A. (272). Here \(d=\frac{19}{2}\). \(a_{35}=-17+34\cdot\frac{19}{2}=306\), so recheck the options.

Step 3

Exam Tip

यहां \(d=\frac{19}{2}\)। \(a_{35}=-17+34\cdot\frac{19}{2}=306\), इसलिए विकल्पों को फिर जांचें।

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