JEE Math Practice Question
If the first term of an A.P. is 3 and the sum of its first 25 terms is equal to the sum of its next 15 terms, then the common difference of this A.P. is :
- A.$${1 \over 4}$$
- B.$${1 \over 5}$$
- C.$${1 \over 7}$$
- D.$${1 \over 6}$$
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