यदि समांतर श्रेणी \(5,,\Box,,17,23,\ldots\) है, तो रिक्त स्थान में कौन-सा पद होगा?
If \(5,,\Box,,17,23,\ldots\) is an arithmetic progression, what term fills the blank?
Explanation opens after your attempt
C. (11)
Concept
The difference between (17) and (23) is (6), so the missing term is (17-6=11). In exams, apply the difference backward too.
Why this answer is correct
The correct answer is C. (11). The difference between (17) and (23) is (6), so the missing term is (17-6=11). In exams, apply the difference backward too.
Exam Tip
(17) और (23) का अंतर (6) है, इसलिए रिक्त पद (17-6=11) है। परीक्षा में पीछे की ओर भी अंतर लगाएँ।
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