Which of the following numbers will replace the question mark (?) in the given series?

189, 532, 316, ?, 377

Which letter-cluster will replace the question mark (?) to complete the given series?

TQT, ZSB, FUJ, LWR, ?

Which of the following numbers will replace the question mark (?) in the given series?

26, 54, 110, 222, ?,  894

Which of the following numbers will replace the question mark (?) in the given series?

48, 75, 108, ?, 192

Which letter-cluster will replace the question mark (?) to complete the given series?

FHG, IKJ, LNM, ?

Which of the following numbers will replace the question mark (?) in the given series?

1, 22, 44, 67, 91, ?

Which letter-cluster will replace the question mark (?) to complete the given series?

RMTS, WGAK, BAHC, GUOU, ?

Which letter-cluster will replace the question mark (?) to complete the given series?

DAJ, GEL, JIN, MMP, ?