Latest TCS Aptitude Question SOLUTION: Pizza shops make pizza of same thickess and diff diamester. Cost of 8cm is 80, 12 cm is 240, 24 cm is 720. Which pizza gives best value for money?

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Pizza shops make pizza of same thickess and diff diamester. Cost of 8cm is 80, 12
cm is 240, 24 cm is 720. Which pizza gives best value for money?

Asked In TCS krishnaprasad TATA (11 years ago)

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Rahul Jaiswal  (11 years ago)

cost of 8cm is 80
=>cost of 1 cm is (80/8)=10
cost of 12 cm is 240
=>cost of 1 cm is (240/12)=20
cost of 24 cm is 720
=>cost of 1 cm is (720/24)=30
so the pizza of 8cm will give best value for money.

Is this solution Helpfull? Yes (18) | No (4)  

jomon v j  (11 years ago)

pizza cost 80 and pizza cost 720 gives equal and best value for money

let the thickness be 1

then volume of pizza of diameter 8cm = 16pie =80
therefore cost of 1 cm³ = 80/16pie = 5/pie

similarly cost 1cm³ of pizza having diameter 12 cm = 240/36pie=6.66/pie

similarly cost of 1 cm³ of pizza having diameter 24 cm =720/144pie = 5/pie

least cost for 1cm³ of pizza is for pizza having diameter 8cm,24cm

Is this solution Helpfull? Yes (7) | No (2)  

Shraddha Bhattacharjee  (11 years ago)

cost of 8cm is 80
ie cost of Pie*8*8 cm^2 is 80
=>cost of 1cm^2=5/4*pie=15/(12*pie)
cost of 12 cm is 240
ie cost of pie*12*12 cm^2=240
=>1 cm^2=20/(12*pie)
similarly cost of pie*24*24 cm^2=720
=>1 cm^2=15/12*pie

so both 8 and 24cm gives best value for money

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