यदि समान्तर श्रेणी \(b-3,b+2,b+7,\ldots\) का (18)वां पद (94) है तो (b) का मान क्या होगा?

If the (18)th term of the AP \(b-3,b+2,b+7,\ldots\) is (94), what is the value of (b)?

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Correct Answer

D. (12)

Step 1

Concept

Here (d=5). \(94=b-3+17\times5=b+82\), so (b=12).

Step 2

Why this answer is correct

The correct answer is D. (12). Here (d=5). \(94=b-3+17\times5=b+82\), so (b=12).

Step 3

Exam Tip

यहां (d=5)। \(94=b-3+17\times5=b+82\) इसलिए (b=12)।

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Mathematics Answer, Explanation and Revision Hints

यदि समान्तर श्रेणी \(b-3,b+2,b+7,\ldots\) का (18)वां पद (94) है तो (b) का मान क्या होगा? / If the (18)th term of the AP \(b-3,b+2,b+7,\ldots\) is (94), what is the value of (b)?

Correct Answer: D. (12). Explanation: यहां (d=5)। \(94=b-3+17\times5=b+82\) इसलिए (b=12)। / Here (d=5). \(94=b-3+17\times5=b+82\), so (b=12).

Which concept should I revise for this Mathematics MCQ?

Here (d=5). \(94=b-3+17\times5=b+82\), so (b=12).

What exam hint can help solve this Mathematics question?

यहां (d=5)। \(94=b-3+17\times5=b+82\) इसलिए (b=12)।