46 JEE Main 2023 Sequences and Series previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 previous-year questions from the Sequences and Series chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Sequences and Series chapter hub.
Let f x = ∑ k = 1 10 k · x k ,   x ∈ ℝ , if 2 f 2 + f ' 2 = 119 2 n + 1 then n is equal to…
The sum of the common terms of the following three arithmetic progressions. 3 , 7 , 11 , 15 , … … … &…
Let a , b , c and d be positive real numbers such that a + b + c + d = 11 . If the maximum value of a 5 b 3 c 2 d is 37…
Let S K = 1 + 2 + . . . + K K and ∑ j = 1 n S 2 j = n A B n 2 + C n + D where A ,   B ,   C ,   D…
Let 0 < z < y < x be three real numbers such that 1 x , 1 y , 1 z are in an arithmetic progression and x ,…
The sum to 20 terms of the series 2 · 2 2 - 3 2 + 2 · 4 2 - 5 2 + 2 · 6 2 - . . . . . . . . . . . . is e…
The sum of all those terms, of the arithmetic progression 3 ,   8 ,   13 ,   . . . ,   373 , which…
If S n = 4 + 11 + 21 + 34 + 50 + … to n terms, then 1 60 S 29 - S 9 is equal to
If 1 3 + 2 3 + 3 3 . . . . . . upto  n   terms 1 · 3 + 2 · 5 + 3 · 7 + . . . . upto  n &#…
Let A 1 and A 2 be two arithmetic means and G 1 ,   G 2 and G 3 be three geometric means of two distinct positive…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.