अनुक्रम \(12,18,24,30,\ldots\) का (20)वाँ पद क्या है?
What is the (20)th term of the sequence \(12,18,24,30,\ldots\)?
Explanation opens after your attempt
B. (126)
Concept
(a_{20}=12+19(6)=126). Up to the (20)th term, (19) common differences are used.
Why this answer is correct
The correct answer is B. (126). (a_{20}=12+19(6)=126). Up to the (20)th term, (19) common differences are used.
Exam Tip
(a_{20}=12+19(6)=126)। (20)वें पद तक (19) समान अंतर लगते हैं।
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