15, 10, 5,…… In this A.P the sum of firs...

`15, 10, 5,……` In this A.P the sum of first `10` terms is…..a)`-75` b)`-125` c)`75` d)`125`

A

`-75`

B

`-125`

C

75

D

125

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The correct Answer is:

A

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