अनुक्रम \(-5,-1,3,7,\ldots\) में (25)वाँ पद क्या है?

What is the (25)th term of the sequence \(-5,-1,3,7,\ldots\)?

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Correct Answer

B. (91)

Step 1

Concept

(a_n=-5+4(n-1)), so \(a_{25}=-5+96=91\). Exam tip: handle the sign of a negative first term carefully.

Step 2

Why this answer is correct

The correct answer is B. (91). (a_n=-5+4(n-1)), so \(a_{25}=-5+96=91\). Exam tip: handle the sign of a negative first term carefully.

Step 3

Exam Tip

(a_n=-5+4(n-1)) है इसलिए \(a_{25}=-5+96=91\) है। ऋणात्मक पहले पद में संकेत सावधानी से रखें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(-5,-1,3,7,\ldots\) में (25)वाँ पद क्या है? / What is the (25)th term of the sequence \(-5,-1,3,7,\ldots\)?

Correct Answer: B. (91). Explanation: (a_n=-5+4(n-1)) है इसलिए \(a_{25}=-5+96=91\) है। ऋणात्मक पहले पद में संकेत सावधानी से रखें। / (a_n=-5+4(n-1)), so \(a_{25}=-5+96=91\). Exam tip: handle the sign of a negative first term carefully.

Which concept should I revise for this Mathematics MCQ?

(a_n=-5+4(n-1)), so \(a_{25}=-5+96=91\). Exam tip: handle the sign of a negative first term carefully.

What exam hint can help solve this Mathematics question?

(a_n=-5+4(n-1)) है इसलिए \(a_{25}=-5+96=91\) है। ऋणात्मक पहले पद में संकेत सावधानी से रखें।