In this task, you need to provide the correct option for a given problem from the provided options.

Problem: the weights of one liter vegetable ghee packet of two brands ' a ' and ' b ' are 900 gm and 850 gm respectively . if they are mixed in the ratio of 3 : 2 by volumes to form a mixture of 4 liters , what is the weight ( in kg ) of the mixture ?
Options: a ) 3.84 , b ) 1.75 , c ) 3.52 , d ) 2.72 , e ) none of these
c

Problem: one lady has 2 children , one of her child is boy , what is the probability of having both are boys
Options: a ) 1 / 2 , b ) 1 / 3 , c ) 1 / 4 , d ) 1 / 5 , e ) 3 / 4
a

Problem: how many zeros does 500 ! end with ?
Options: a ) 201 , b ) 240 , c ) 124 , d ) 125 , e ) 180
c