यदि \(a_4=19\) और (d=7) है तो \(a_{18}\) क्या होगा?

If \(a_4=19\) and (d=7), what is \(a_{18}\)?

Explanation opens after your attempt
Correct Answer

B. (117)

Step 1

Concept

(a_{18}=a_4+(18-4)d=19+14\times7=117). Add the gap directly from the known term.

Step 2

Why this answer is correct

The correct answer is B. (117). (a_{18}=a_4+(18-4)d=19+14\times7=117). Add the gap directly from the known term.

Step 3

Exam Tip

(a_{18}=a_4+(18-4)d=19+14\times7=117)। ज्ञात पद से सीधे अंतर जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_4=19\) और (d=7) है तो \(a_{18}\) क्या होगा? / If \(a_4=19\) and (d=7), what is \(a_{18}\)?

Correct Answer: B. (117). Explanation: (a_{18}=a_4+(18-4)d=19+14\times7=117)। ज्ञात पद से सीधे अंतर जोड़ें। / (a_{18}=a_4+(18-4)d=19+14\times7=117). Add the gap directly from the known term.

Which concept should I revise for this Mathematics MCQ?

(a_{18}=a_4+(18-4)d=19+14\times7=117). Add the gap directly from the known term.

What exam hint can help solve this Mathematics question?

(a_{18}=a_4+(18-4)d=19+14\times7=117)। ज्ञात पद से सीधे अंतर जोड़ें।