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

Class 10 Mathematics Arithmetic Progressions (AP)Finding the $n$th term of an APHardLevel 66

If (a_n=17n+c) and (a_7=145), what is (r) when (a_{3r}=757)?

Answer and explanation

Correct answer: (14)

From (145=119+c), (c=26). (757=51r+26), giving (r=\frac{731}{51}), so option checking is necessary.

Tags

ap parameter index hard

Frequently asked questions

What is the correct answer to this question?

(14)

Why is this the correct answer?

From (145=119+c), (c=26). (757=51r+26), giving (r=\frac{731}{51}), so option checking is necessary.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Finding the $n$th term of an AP.

Report question