Directions: In the following question four words have been given, out of which three are alike in some manner and the for one is different. Choose out the odd one.

Find the missing number?
15, 31, 64, 131, ?

If - means ÷, + means ×, ÷ means -, × means +, then which of the following equations is correct? 

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

Lion: Deer:: Mongoose:? 

Out of four figures which figure will best represent the relationship among st the classes:
(1) Sparrow
(2) Birds
(3) Mice

If the above alphabet are divided into two equal halves from A to M and N to Z, which letter in the later half would be corresponding to the letter J? 

Directions: In this question, four words have been given, out of which three are alike in some manner and the for one is different. Choose out the odd one. 

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
7– 4 – 1 = 714, 9 – 2 – 3 = 932 8– 0–4 = ?