Please solve this:

106. You are given a sphere of radius 2 cm. If you are asked to select the best suited spring batatex to determine its weight, then out of the following which one would you prefer and why?
( The sphere is made up of an alloy of density 7000 kg/m3.)
(a) Range : 0-1000 g wt; Least count : 5 g wt
(b) Range: 0-500 g wt: Least count : 2.5 g wt
(c) Range : 0-250 g wt; Least count : 2.5 g wt
(d) Range : 0-100 g wt; Least count ; 1 g wt. 

Dear Student ,

Radius of the sphere, r = 2 cm = 2/100 m

Volume of sphere,

Mass of the sphere, m = Density x Volume 

Weight of the sphere, W = mg = 234.49 gwt

(3) Range 0-250gwt,Least count - 2.5gwt
Regards

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