Verbal Reasoning - Mental Ability Questions

In the English alphabet, which letter is 13th from right end?

A plane flies 100 km West, then it turns South and flies 150 km, then it turns West and flies 300 km, then it turns to its right and flies 150 km. Where is it now with reference to its starting position?

In a certain code language, 'NIGERIA' is written as '@#^$?#*'. How is 'GINGER' written in that code language?

If M is the sister of Z , Z is the wife of P and P is the son of A, how Z relates to A?

If 3*1 = 20, 6*1 = 50 and 2*6 = -40, then find the value of 5*8 = ?

In a certain code language, “FRAME” is written as “79635” and “TOWEL” is written as “21854”. How is “WORM” written in that code language?

In a certain code, "go home" is written as "ta na" and "nice little home" is written as "na ja pa". How is "go" written in that code?

In the following question, correct the equation by interchanging the two signs.
6 ÷ 17 x 51 + 6 – 12 = – 4