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Maths Puzzle
Numerical Ability
Area and Volume
For a sphere of radius 10 cm, the
numerical value of the surface area
in how many percent of the
numerical value of its volume:
Read Solution (Total 2)
-
- 30% is the answer
- 10 years agoHelpfull: Yes(2) No(0)
- surface Area= 4*pi*r*r=400*pi*r^2
Volume= (4*pi*r*r*r)/3=4000*pi*r^3/3
Percentage= [(400*pi*r^2)/(4000*pi*r^3/3)] *100 = 30% - 10 years agoHelpfull: Yes(0) No(0)
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