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Sequences and Series question

2024 · 30 Jan · Shift 1 · Q49

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JEE Main
Mathematics
Sequences and Series
2024 · 30 Jan · Shift 1 · Q49

Sequences and Series question

2024 · 30 Jan · Shift 1 · Q49

JEE MainMathematicsSequences and SeriesMCQ+4 / −1

Let

S_n

denote the sum of first

n

terms of an arithmetic progression. If

S_{20}=790

and

S_{10}=145

, then

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

is :

A
405
B
390
C
410
D
395

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