Question : Directions: Select the number that will replace the question mark (?) in the following series.
21, ?, 45, 180, 185

Option 1: 33

Option 2: 63

Option 3: 41

Option 4: 42

Question : Directions: From the given options, choose the correct one that will replace the question mark (?) in the following series.
83, 74, 66, 59, 53, ?, 44, 41

Option 1: 42

Option 2: 50

Option 3: 44

Option 4: 48

Question : Directions: Select the number that will replace the question mark (?) in the following series.
25, ?, 43, 67, 115, 211

Option 1: 33

Option 2: 31

Option 3: 30

Option 4: 37

Question : Directions: Select the number that will replace the question mark (?) in the following series.
9, 10, 22, 69, 280, ?

Option 1: 1350

Option 2: 1405

Option 3: 1325

Option 4: 1345

Question : Directions: Select the number that will replace the question mark (?) in the following series.
12, 2, 24, 3, 72, 4, ?

Option 1: 198

Option 2: 288

Option 3: 336

Option 4: 202