LOGICAL REASONING:

1.In a certain code LOGIC is written as IRJLF, how will be MAGIC written in that same code?

ANSWER:
MAGIC=PDJLF
EXPLANATION:Alphabets at odd position like A,C,E etc are moved 3 step forward while alphabets at even position like B,D,E are moved 3 steps down the line

2.In a certain code, KING is written as 119147. How will be QUEEN written in that same code?

ANSWER:
QUEEN=17215514
Explanation: The position of each letters in English alphabets is substituted instead of letters. For eg. Instead of E, 5 is used
Q=17,U=21,E=5 and N=14

3.If LIVED is DEVIL, then what is 4689?

ANSWER:
9864
Explanation:The given term is just reversed.So reversing 4689 gives 9864
Tip:Sometimes in interviews,such easy questions are given to confuse the candidate, Beware of such tricks.