What should come in place of the question mark (?) in the following number series.
10 25 50 75 75 37.5 ?
(a) 4.375 (b) 3.2375 (c) 4.6275 (d) 3.575 (e) of these
(e) The series is as follows ×2.5, ×2, ×1.5, ×1, ×0.5, ×0 Hence, ? = 37.5 × 0 = 0
