Complete the series :
7 , 3 , -1 , -5 , _ , _ , _

The following question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 1, 2, 3, 14, 5, 34, 7,_____,_____

The following question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 17, 13, 11, 7, 5, ___

Select the correct option that will complete the series 7.5, 4.7, 1.9, -0.9, ____

Select the correct option that will complete the series. 18, 12, 5, -3, -12, _____

Complete the given series 1, 5, 21, 57, ____, 221

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. 3/(5) , 1.4 , (11)/5, ? , 19/5,4.6