Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
15, 23, 19, 20, 23, 17, 27, 14, 31, 11, ?

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
47, 37, 29, 23, 19, ?

Question : Directions: Select the option that will replace the question mark (?) in the given series.
45, 35, 27, 21, 17, ?

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
46, 36, 28, 22, 18, ?

Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
16, 32, 14, 19, 37, 21, 22, 42, ?, 25, 47, 35