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Find the Cube Of: 2 1/2 - Mathematics

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Sum

Find the cube of: `2 1/2`

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Solution

`2(1)/(2)`

= `(2 1/2)^3`

= `(5/2)^3`

= `(5 xx 5 xx 5)/(2 xx 2 xx 2)`

= `(125)/(8)`

= `15(5)/(8)`

Concept: Concept of Cube Number
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 4 Cubes and Cube Roots
Exercise 4 (A) | Q 4.5 | Page 48
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