Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
4, 9, 20, 43, 90, ?

Option 1: 181

Option 2: 184

Option 3: 186

Option 4: 185

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
1024, 256, 64, ?, 4

Option 1: 32

Option 2: 34

Option 3: 36

Option 4: 16

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
4, 11, 19, 31, 52, 89, ?

Option 1: 151

Option 2: 105

Option 3: 150

Option 4: 115

Question : Directions: Which of the following numbers will replace the question mark (?) and complete the given number series?
600, 590, 575, 550, 510, ?

Option 1: 460

Option 2: 450

Option 3: 440

Option 4: 420

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
25, 30, 35, 38, 41, 46, ?

Option 1: 53

Option 2: 51

Option 3: 49

Option 4: 82