In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.
15 - 6 + 10 x 3 ÷ 2 = ?

One evening, Raja started to walk toward the Sun. After walking a while, he turned to his right and again to his right. After walking a while, he again turned right. In which direction is he facing? 

Direction: In the following question, select the related letters from the given alternatives. 

LMN : QPO :: OPQ:?

Select the letters related to the given words.
AZBZ : CYDY :: EXFX : ?

Light : Darkness:: Knowledge?

Direction: In the following question, select the related letters from the given alternatives.
Energy: Joule :: Volume : ?

In these questions certain pairs, group and numbers are given out of which all except one are similar in some manner while one is different.

Choose the odd number pair group in each of the following questions:

Which interchange of signs will make the following equation correct?
35 + 7 * 5 ÷ 5 - 6 = 24