Blister blight of tea is caused

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

18: 162 :: 44: ?

If 3 # 2 # 6 = 53 and 7 # 1 # 4 = 66, then what is the value of P in P # 5 # 8 = 289?

Select the option in which the numbers are not related in the same way as the numbers in the following set.

(53, 16, 21)

If 98 # 86 = 120 and 59 # 95 = 90, then 79 # 98 = ?

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

In the following question, select the related word pair from the given alternatives. 

Hunger: Satiety

If A = 1, B=2, C=3 and so on. Which of the following would have the least value?