I have some doubts someone please explain these:

64

::72:53

a) 44 b) 54 c) 52 d) 70

find the odd one out:

a) YDWB b) TKRI c) QNOM d) HLFJ

find out the pair of numbers that does not belong to the group for lack of common property

a) 16-18 b) 56-63 c) 96-108 d) 86-99

6:5::8

a) 2 b) 4 c) 6 d) 10

_ab_ b _ aba _ _ ab ab

a) abbaa b) bb aab c) ab aab d) aaaba

X sells two articles for 4000 each with no loss and no gain in the interaction. If one was sold at a gain of 25%, the other is sold at a loss of

a) 25% b) 18 2/9% c) 16 2/3% d) 20%

If 17^200 is divided by 18, the remainder is :

a)1 b) 2 c) 16 d) 17

4 10 6

12 96 48

16 152 ?

a) 110 b) 104 c) 112 d) 124

A shopkeeper gains rs 56 on a toy after allowing a discount of 23% on its marked price. If his gain is 10%, then the marked price of the toy is:

a) 810 b) 800 c) 560 d) 740

Measure of each interior angle of a regular polygon can never be:

a) 150 b) 105 c) 108 d) 144