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Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions for Mathematics

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Mathematics
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Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]

\[\frac{- 9}{10} + \frac{22}{15} + \frac{13}{- 20}\]

 

[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]

\[\frac{5}{3} + \frac{3}{- 2} + \frac{- 7}{3} + 3\]

 

[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

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Find the volume of a cube, one face of which has an area of 64 m2.

 
[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the volume of a cube whose surface area is 384 m2.

 
[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Evaluate the following: 

\[\left\{ ( 5^2 + {12}^2 )^{1/2} \right\}^3\]

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Evaluate the following: 

\[\left\{ ( 6^2 + 8^2 )^{1/2} \right\}^3\]

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cubes of the following number by column method 35.

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cubes of the following number by column method  56 .

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cubes of the following number by column method 72 .

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of  −11 .

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of −12 .

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of −21 .

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of \[\frac{7}{9}\] .

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of \[- \frac{8}{11}\] . 

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of \[\frac{12}{7}\] .

 

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of \[- \frac{13}{8}\] .

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube of \[2\frac{2}{5}\] .

 

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Express each of the following as a rational number of the form \[\frac{p}{q}:\] 

\[\frac{- 8}{3} + \frac{- 1}{4} + \frac{- 11}{6} + \frac{3}{8} - 3\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Express each of the following as a rational number of the form \[\frac{p}{q}:\] 

\[\frac{6}{7} + 1 + \frac{- 7}{9} + \frac{19}{21} + \frac{- 12}{7}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Express each of the following as a rational number of the form \[\frac{p}{q}:\] 

\[\frac{15}{2} + \frac{9}{8} + \frac{- 11}{3} + 6 + \frac{- 7}{6}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined
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