If the product of n positive numbers is unity, then their sum is

Which number will replace the question mark (?) in the following series?

$57, ? , 62, 71, 87, 112, 148$

Which number will replace the question mark (?) in the following series?
$60, 64, 32, 36, 18, ?$

$B, G, N, W,?$

Which number will replace the question mark $\left(?\right)$ in the following series?

$16, 32, ? , 192, 576, 1152$

Select the number that can replace the question mark (?) in the following series.

$3, 12, 36, 80, ?, 248$

What will be the next term in the series?

$22P, 2Z, 24Q, 4Y, 26R,$ _____?

Select the number that can replace the question mark ($?$) in the following series.

$15, 18, 13, 20, 11, ?$

Which number will replace the question mark $\left(?\right)$ in the following number series?

$124, 140, 128, 136, 132, ?$

Select the option in which the numbers are NOT related in the same way as are the numbers in the given set.

$(123, 88, 63)$

Find the next term in this series.

$2$R, $9$U, $16$X, ______