Latest TCS Aptitude Question SOLUTION: Leena cut cubes of 10cm dimension each.She joined it to make a cuboid of length 100cm width 50cm and depth 50cm.How many more cubes does she need to make a perfect cube?

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Leena cut cubes of 10cm dimension each.She joined it to make a cuboid of length 100cm width 50cm and depth 50cm.How many more cubes does she need to make a perfect cube?

Asked In TCS divya (10 years ago)

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Namasivayam Naveen G  (10 years ago)

volume of large cube= 100*100*100
volume of small cube = 10*10*10
total cubes needed for large cube= 1000
volume of cuboid= 100*50*50
number of small cubes used for building the cuboid = 250
remaining small cubes needed for the perfect cube = 1000- 250
so the answer is 750.

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ziauddin  (10 years ago)

number of cubes that are required to form cuboid of dim 100*50*50 is 250
total noo of cubes required to make it a cube of dim 100*100*100 is 3(250)=750

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Amit Kumar  (10 years ago)

750 cube boxes

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swetank mishra  (10 years ago)

volume of the cube having length ,width, depth 10 cm each is 100^3 and that of smaller cube is 10^3on division we get 1000 cubes .now that of cuboid is 100*50*50 dividing this with 10^3 we get 250 this is now subtracted from 1000 to get 750 extra cubes.

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