Sequence and Series: JEE Main 2025 Mathematics question

JEE Main 2025 · January, Unspecified (session-level dataset) · Q38

JEE Main 2025January, Unspecified (session-level dataset)MathematicsMediumSequence and Series179× since 2002

Suppose that the number of terms in an A.P. is

2k, k \in \mathbb{N}

. If the sum of all odd terms of the A.P. is 40, the sum of all even terms is 55 and the last term of the A.P. exceeds the first term by 27, then

k

is equal to:

JEE Main 2025 · January, Unspecified (session-level dataset) · Q38

JEE Main 2025January, Unspecified (session-level dataset)MathematicsMediumSequence and Series179× since 2002

Suppose that the number of terms in an A.P. is

2k, k \in \mathbb{N}

. If the sum of all odd terms of the A.P. is 40, the sum of all even terms is 55 and the last term of the A.P. exceeds the first term by 27, then

k

is equal to:

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