Skip to content

Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

RELATED QUESTIONS

Triangular Numbers

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsWhich condition is necessary and sufficient for a positive integer \(T\) to be the sum of the first \(n\) natural numbers for some positive integer \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsIf (S_n-S_{50}=1575), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsIf (S_n=1081), what is the value of (S_{n+4}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsWhen is the sum \(S_n\) of the first n natural numbers odd?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsIf (S_n=5050), what is the value of (S_{n-10})?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsIf \(S_n=\frac{n(n+1)}{2}\) and \(S_n=861\), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsIf (S_a=820) and (S_b=1035), what is (b-a)?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIn a triangular decoration, flowers are arranged in rows from 1 to 28. How many flowers are there in total?Class 9Sequences and ProgressionsSum of first n natural numbersEasy MathematicsIf (S_p=378) and (S_q=528), what is the value of (q-p)?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf the sum of the first n natural numbers is 2701, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf (S_n=2850), what will be the value of (S_{n-5})?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf Sₙ = 231, what will be Sₙ₊₄?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf (S_n=1176), what will be (S_{n-1})?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf Sₙ = 300, what will be Sₙ₊₃?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf (S_n=666), what will be (S_{n+1})?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf 1 + 2 + 3 + ⋯ + n = 1035, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf (S_a=351) and (S_b=465), what is (b-a)?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf (S_m=210) and (S_n=325), what is the value of (n-m)?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf Sₙ = 1225, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersEasy MathematicsIf (S_n=1128), what will (n) be?Class 9Sequences and ProgressionsSum of first n natural numbersEasy