तीन अंकों वाली उन सभी विषम संख्याओं का योग ज्ञात कीजिए जो (9) से विभाज्य हैं।
Find the sum of all three-digit odd numbers that are divisible by (9).
Explanation opens after your attempt
Correct Answer
B. (27900)
Concept
The numbers are \(117,135,\ldots,999\), and the sum of (50) terms is (27900). For odd multiples, the common difference is (18).
Why this answer is correct
The correct answer is B. (27900). The numbers are \(117,135,\ldots,999\), and the sum of (50) terms is (27900). For odd multiples, the common difference is (18).
Exam Tip
संख्याएँ \(117,135,\ldots,999\) हैं और (50) पदों का योग (27900) है। विषम गुणजों में अंतर (18) होगा।
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