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Sequences and Series question

2024 · 1 Feb · Shift 2 · Q48

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JEE Main
Mathematics
Sequences and Series
2024 · 1 Feb · Shift 2 · Q48

Sequences and Series question

2024 · 1 Feb · Shift 2 · Q48

JEE MainMathematicsSequences and SeriesMCQ+4 / −1

Let

S_n

denote the sum of the first

n

terms of an arithmetic progression. If

S_{10}=390

and the ratio of the tenth and the fifth terms is

15: 7

, then

\mathrm{S}_{15}-\mathrm{S}_5

is equal to :

A
800
B
890
C
790
D
690

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