Verbal Reasoning - Mental Ability Questions

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then
300 x 10 – 5 + 36 ÷ 57 = ?

A travels 12 km towards north and then takes a left turn and covers another 5 km. From there, he turns 180° anticlockwise and travels 10 km further. What is the minimum distance between his initial and final position?

What will come in place of the question marks (?) in the following Number series?8, 14, 26, 44, 68 (?)

If PROJECT is coded as KILQVXG, then how will EGO be coded as?

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

A woman walks 3 km North, then turns West and walks 4 km, then turns South and walks 7 km, then turns to her left and walks 4 km. Where is she now with reference to her starting position?

Select the related word/letters/number from the given alternatives.
DB: IC:: YE: ?

If SYSTEM is written as RXRSDL.
How can CORRECT be written in that code?