AP Common Difference Comparison (Jee Mains) | ExamDuo
Arithmetic and Geometric Progression
Medium
AP Common Difference Comparison
The common difference of the A.P. b1,b2,...bm is 2 more than the common difference of A.P. a1,a2,...,an. If a40=−159,a100=−399 and b100=a70, then b1 is equal to :