Which method of plant disease management involves

Select the option that is related to third cluster in the same way first cluster is related to second cluster.

TURN : 219 :: MAINS: ?

Bee : Hum :: ?

Statement: X < U = F > R ≥ P < T < W

Conclusions: I. X < T

II. R > W

If 12 # 34 = 14 and 67 # 88 = 106, then 45 # 67 = ?

If PET = 16520 and PETER = 16520518, then PREHEAT =

Select the option that is related to the third number in the same way as the second number is related to the first number.

55 : 86 :: 37 : ?

In the following question, select the odd number pair from the given alternatives.

If 21 @ 16 = 12 and 30 @ 25 = 12, then 22 @ 17 = ?'. What will come in place of question mark?