Verbal Reasoning - Mental Ability Questions

Select the related word from the given alternatives.
River : Stream :: Ocean : ?

If 80&10 = -8, 50&2 = -25 and 80&16 = -5, then find the value of 20&5 = ?

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

Select the related word/letters/number from the given alternatives.
Cup : Coffee:: Bowl : ?

If 29$14 = 6, 37$25 = 3 then what is the value of 84$62 = ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
MHZ, NIW, OKT, PNQ, ?

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 : ?