Verbal Reasoning - Mental Ability Questions

In the following question, by using which mathematical operators will the expression become correct?
15 _ 3 _ 4 _ 20

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

12 x 6 ÷ 5 + 4 = ?

If 30%6 = -5, 10%5 = -2 and 10%2 = -5, then find the value of 80%8 = ?

If 14 (16) 18 and 33 (64) 25, then what is the value of ‘A’ in 25 (49) A?

How many triangles are there in the given figure?

Find the missing number ?

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

Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words.

Rourkela: Bokaro: Durgapur