The sum of 3rd and 15th elements of an arithmetic progression is equal to the sum of 6th, 11th and 13th elements of the same progression. Then which element of the series should necessarily be equal to zero ?5
1816 5b5cc73ae4d2b4197774f8bf
Q: The sum of 3rd and 15th elements of an arithmetic progression is equal to the sum of 6th, 11th and 13th elements of the same progression. Then which element of the series should necessarily be equal to zero ?
- 114th elementfalse
- 29th elementfalse
- 312th elementtrue
- 47th elementfalse
- Show Answer
- Workspace
- Discuss