Verbal Reasoning - Mental Ability Questions

Some equations are solved on the basis of certain system. Find out the correct answer for unsolved equation on that basis: 4 x 5 x 8 = 584, 7 x 3 x 9 = 397, 9 x 7 x 3 = ?

If UNCOVER is coded as FMXLEVI, then how will TIP be coded as?

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then 72 C 9 D 2 B 6 A 10 = ?

If 92 A 42 B 32 = 56 and 72 A 22 B 12 = 44, then 112 A 52 B 72 = ?

If REGAINS is coded as QDFZHMR, then how will PRY be coded as?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
C11, V17, O23, ?

If 9 * 2 * 5 = 23 and 1 * 4 * 8 = 29, then 1 * 6 * 3 = ?

In a certain code language, "DESIRE" is written as "EGVMWK". How is "RECESS" written in that code language?