Question : Directions: Which of the following numbers will replace the question mark (?) in the given series
12.8, 13.5, 14.9, 17, ?

Option 1: 19.8

Option 2: 19.5

Option 3: 20.5

Option 4: 18.9

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
?, 11, 35, 107, 323

Option 1: 4

Option 2: 5

Option 3: 8

Option 4: 3

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
15, 17, ?, 33, 47, 65

Option 1: 30

Option 2: 21

Option 3: 20

Option 4: 23

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
17, ?, 35, 53, 77, 107

Option 1: 25

Option 2: 21

Option 3: 23

Option 4: 28

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
245, 212, ?, 146, 113, 80

Option 1: 176

Option 2: 179

Option 3: 178

Option 4: 180

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
$\frac{1}{2}, \frac{3}{4}, ?, \frac{5}{4}$

Option 1: 1

Option 2: $\frac{1}{4}$

Option 3: $\frac{3}{4}$

Option 4: $\frac{2}{3}$