Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
Donkey : Brays :: Monkey : ?

If 23@5=56; 6@7=26; 5@2=14; then what is the value of 7@5=?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then

12 V 3 M 441 L 21 S 8 = ?

If SELFIE = LXEYBX, then PHYSICS = ____

Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?

In a certain code, if DOG is written as 4157, then what will MAT be written as ?

Arrange the given words in the sequence in which they occur in the dictionary.
i. nature
ii. nest
iii. numeric
iv. news

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then 187 B 17 C 4 A 7 D 17 = ?