JEE Main 202118 Mar, Evening shiftMathematicsMediumSequence and Series179× since 2002
Let S₁ be the sum of first 2n terms of an arithmetic progression. Let S₂ be the sum of first 4n terms of the same arithmetic progression. If (S₂ S₁) is 1000, then the sum of the first 6n terms of the arithmetic progression is equal to :