8 JEE Main 2012 Sequences and Series previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 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.
The sum of the series 1+(4)/(3)+(10)/(9)+(28)/(27)+… upto n terms is
The difference between the fourth term and the first term of a Geometrical Progresssion is 52. If the sum of its first…
The sum of the series 1²+2.2²+3²+2.4²+5²+2.6²+… . .+2(2 m)² is
Statement 1: The sum of the series 1+(1+2+4)+(4+6+9)+(9+12+16)+… …+(361+380+ 400) is 8000. Statement 2: ₌₁ⁿ (k³-(k-1)³…
If 100 times the 100th term of an AP with non zero common difference equals the 50 times its 50th term, then the 150th…
The sum of the series 11+√(2)+1√(2)+√(3)+1√(3)+√(4)+… upto 15 terms is
If the A.M. between pth and qth terms of an A.P. is equal to the A.M. between rth and sth terms of the same A.P., then…
If the sum of the series 1²+2 · 2²+3²+2 · 4²+5²+ ... 2.6²+… upto n terms, when n is even, is (n(n+1)²)/(2), then the su…