Home Physics JEE Main Full Syllabus Mock Test 75 Question New Syllabus TEST 1 PCM Suppose be an arithmetic progression of nat…
Physics JEE Main Full Syllabus Mock Test 75 Question New Syllabus TEST 1 PCM MCQ (Single Correct)

Suppose be an arithmetic progression of natural numbers. If the ratio of sum of first six terms to the sum of first ten terms of progression is and , then the sum of first eleven terms of the progression is equal to

A
380
B
824
C
462
D
921

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The correct answer is:
C

Let first term , common difference

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