निम्नलिखित प्रत्येक

What value should come in the place of (?) in the following number series?

500, 789, 428, ?, 340, 965

Choose the missing term.

R, U, X, A, D,?

204, ?,  120, 83, 52, 23

6, 7, 16, 51, 208, ?

226, 171, 124, 85, 54, ?

4, 5, 11, 34, 137, ?

What will come in place of the question mark (?) in the following series?

4, 11, 32, 95, 284, 851, ?

8, ?, 29, 57, 113, 225

In each of the following series, one term is missing. Find the missing term.

7, 11, 19, 35, 67, ?

What should come in place of (?) question mark in the following number series.

5, 11, 23, 47, 95, ?