JEE Main2019Math
Q.
Let the sum of the first n terms of a non-constant A.P., a 1 , a 2 , a 3 , .... be 50 , where A is a constant. If d is the common difference of this A.P., then the ordered pair (d, a50 ) is equal to :
- A
(50, 50 + 46A)
- B
(A, 50 + 45A)
- C
(A, 50 + 46A)
- D
(50, 50 + 45A)
Solution
