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Find the sum of all numbers from (1) to (1000) that are divisible by (4) but not by (10).(1) से (1000) तक उन सभी संख्याओं का योग ज्ञात कीजिए जो (4) से विभाज्य हैं लेकिन (10) से विभाज्य नहीं हैं।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (100000)(100000)
The sum of multiples of (4) is (125500), and the sum of multiples of (20) is (25500), so the answer is (100000). Remove overlap using (\operatorname{lcm}).(4) के गुणजों का योग (125500) और (20) के गुणजों का योग (25500) है, इसलिए उत्तर (100000) है। (\operatorname{lcm}) से overlap हटाएँ।
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