What will come in place of the question mark (?) in each of the following series? 384, 381, 372, 345, 264, ?
What will come in place of the question mark (?) in each of the following series? 134, 245, 356, 467, ?
What will come in place of the question mark (?) in each of the following series? 435, 354, 282, 219, 165, ?