Verbal Reasoning - Mental Ability Questions

In a certain code language, "BORROW" is written as "769965" and "BOMB" is written as "7647". How is "WOMB" written in that code language?

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

DEC, HIG, LMK, PQO, TUS, ?

Five boys A, B, C, D and E are standing in a line. A is taller than E but shorter than D.B is shorter than E and C is the tallest. Who is in the middle?

In the following question, select the missing number from the given series.
19, 38, ?, 228, 684, 1368

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis:

7*4*3 = 437
8*6*4=648
4*3*6=?

If L denotes 'x', M denotes '÷' , P denotes '+' and Q denotes '-'  then 16P24M8Q6M2L3

If 4 x 9 x 3 = 4 and 5 x 3 x 1 = 3, then
9 x 9 x 7 = ?

Find the missing number from the alternatives.