1. 2/5 ×  7/8  × ? =  7/15  (a) 3/4                    (b) 2/5                    (c) 4/5           (d) 1 1/3…
Number Series for SBI PO : Set 20 Direction.1-5) Answer the following question: 1) 21     30     12     39     3       ?       …