(5) से शुरू होने वाली और (9) के अंतर वाली समांतर श्रेणी के पहले (17) पदों का योग कितना होगा?

What will be the sum of the first (17) terms of an arithmetic progression starting with (5) and having common difference (9)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (1309)

Step 1

Concept

The seventeenth term is (149), so (S_{17}=\frac{17}{2}(5+149)=1309). Find the last term first and use the average method.

Step 2

Why this answer is correct

The correct answer is B. (1309). The seventeenth term is (149), so (S_{17}=\frac{17}{2}(5+149)=1309). Find the last term first and use the average method.

Step 3

Exam Tip

सत्रहवाँ पद (149) है, इसलिए (S_{17}=\frac{17}{2}(5+149)=1309)। पहले अंतिम पद निकालकर औसत विधि लगाएँ।

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Mathematics Answer, Explanation and Revision Hints

(5) से शुरू होने वाली और (9) के अंतर वाली समांतर श्रेणी के पहले (17) पदों का योग कितना होगा? / What will be the sum of the first (17) terms of an arithmetic progression starting with (5) and having common difference (9)?

Correct Answer: B. (1309). Explanation: सत्रहवाँ पद (149) है, इसलिए (S_{17}=\frac{17}{2}(5+149)=1309)। पहले अंतिम पद निकालकर औसत विधि लगाएँ। / The seventeenth term is (149), so (S_{17}=\frac{17}{2}(5+149)=1309). Find the last term first and use the average method.

Which concept should I revise for this Mathematics MCQ?

The seventeenth term is (149), so (S_{17}=\frac{17}{2}(5+149)=1309). Find the last term first and use the average method.

What exam hint can help solve this Mathematics question?

सत्रहवाँ पद (149) है, इसलिए (S_{17}=\frac{17}{2}(5+149)=1309)। पहले अंतिम पद निकालकर औसत विधि लगाएँ।