Verbal Reasoning - Mental Ability Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
25 + 10 ÷ 240 x 16 = ?

From the given words, select the word which can be formed using the letters of the given word.
AMPLIFICATION

Which of the following diagram represents the relationship among Tall men, Black haired, Indians?

Which one of the following figures best represents the relationship among Kitchen, House and Garden?

P is the brother of Q. Q is the brother of R. P is the son of S. Based these three statements, much of the following statements cannot be definitely true?

In the following question, select the related word from the given alternatives.
Ampere : Electric current : : Fathom : ?

If 4Δ2 = 60, 7Δ9 = 160 and 8Δ3 = 110, then find the value of 3Δ2 = ?

In a certain code, 592 means 'grapes are sweet', 374 means 'I like oranges' and 267 means 'oranges are sour'. Which digit represents sour?