Which device is responsible for making routing decisions

How many numbers are immediately preceded and succeeded by symbol?

6 7 @ # 2 8 8 $ 5 4 % 5 ! & # * 7 * + 9

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: ?

Force : Newton :: Pressure :   ? 

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

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

GAYH : IYWJ :: FBAO : ______

If 49 × 23 = 41, 26 × 47 = 23 and 64 × 99 = 42, then 57× 68 = ?

268 : 284 :: 429 : ?

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

(54, 23, 26)