Find the wrong number in given number series.

A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.

18, 19, 27, 36, ___, 225

UDGO : FWTL : : MXRC : ?

Find the missing number. 

E/M ∶ 20/156: : G/O: ?

M/14 : O/12 : : U/6 : ?

Study the given matrix carefully and select the number from among the given options that can replace the question mark (?) in it.

What will come in the place of question mark?

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

Choose the correct alternative from the given ones that will complete the series.

3.5 , ?,  8.3, 10.7, 13.1 , 15.5

Study the given pattern carefully and select the number that can replace the question mark (?) in it.