Which technology is NOT mentioned as a focus in the

Study the given pattern carefully and select the number from among the given options that can replace the question mark (?) in it.

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

Happy: Sad :: Generous: ?

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

Hunger: Satiety

Dog : Puppy :: Deer :  ?

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

(520, 8, 56)

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(72, 12, 36)

(40, 8, 25)

If 38 @ 9 = 66 and 63 @ 43 = 122, then 29 @ 57 = '?'.

Number of letters skipped in between adjacent letters goes on increasing successively by one in the series. Identify the set following the above rule.

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