JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +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 the fifth terms is

15: 7

, then

S_{15}-S_5

is equal to

View answer and explanation

Correct option: C

790

Option C (790) is correct because it is the value of

S_{15} - S_5

, calculated using the properties of arithmetic progressions and the given conditions.

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