Verbal Reasoning - Mental Ability Questions

If P denotes multiply, T denotes subtraction, M denotes addition, B denotes division then 28B7P8T6M4 = ?

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then
81 C 9 D 11 B 4 A 6 = ?

Looking at a lady, Joey said, "She is the mother of my mother's mother-in-law's husband". How is the lady related to Joey's father?

P is S's mother's only son's wife. How is P related to S?

If EXPLAIN is coded as BUMIXFK, then how will GYM be coded as?

In a certain code language, “MOCKS” is written as “NNDJT”. How is “FLAME” written in that code language?

In a row of students, if John , who is 16th from the left, and Johnson, who is 8th from the right, interchange their positions, John becomes 33rd from left. How many students are there in a row?

In the following question, select the related letters from the given alternatives.
JKLM : IIII : : PQRS : ?