समान्तर श्रेणी \(143,130,117,\ldots\) में (25) से छोटा पहला पद कौन-सा है?
In the AP \(143,130,117,\ldots\), what is the first term less than (25)?
Explanation opens after your attempt
A. (13)
Concept
In this AP, (d=-13). After (26), the next term is (13), so the first term less than (25) is (13).
Why this answer is correct
The correct answer is A. (13). In this AP, (d=-13). After (26), the next term is (13), so the first term less than (25) is (13).
Exam Tip
इस AP में (d=-13) है। (26) के बाद (13) आता है इसलिए (25) से छोटा पहला पद (13) है।
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