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Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions

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How many numbers lie between squares of the given numbers?

25 and 26

[5] Squares and Square Roots
Chapter: [5] Squares and Square Roots
Concept: undefined >> undefined

How many numbers lie between squares of the following numbers?

99 and 100

[5] Squares and Square Roots
Chapter: [5] Squares and Square Roots
Concept: undefined >> undefined

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Find the smallest number by which the following number must be multiplied to obtain a perfect cube.

243

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

Find the smallest number by which the following number must be multiplied to obtain a perfect cube.

256

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

Find the smallest number by which the following number must be multiplied to obtain a perfect cube.

72

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

Find the smallest number by which of the following number must be multiplied to obtain a perfect cube.

675

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

Find the smallest number by which of the following number must be multiplied to obtain a perfect cube.

100

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

Find the smallest number by which the following number must be divided to obtain a perfect cube.

81

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

Find the smallest number by which of the following number must be divided to obtain a perfect cube.

128

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

Find the smallest number by which the following number must be divided to obtain a perfect cube.

135

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

Find the smallest number by which the following number must be divided to obtain a perfect cube.

192

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

Find the smallest number by which the following number must be divided to obtain a perfect cube.

704

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

Parikshit makes a cuboid of plasticine of sides 5cm, 2cm, 5cm. How many such cuboids will he need to form a cube?

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

A man got a 10% increase in his salary. If his new salary is Rs 1,54,000, find his original salary.

[7] Comparing Quantities
Chapter: [7] Comparing Quantities
Concept: undefined >> undefined

On Sunday 845 people went to the Zoo. On Monday only 169 people went. What is the per cent decrease in the people visiting the zoo on Monday?

[7] Comparing Quantities
Chapter: [7] Comparing Quantities
Concept: undefined >> undefined

For each of the given solid, the two views are given. Match for each solid the
corresponding top and front views.

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

The diagonal of a quadrilateral shaped field is 24 m and the perpendiculars dropped on it from the remaining opposite vertices are 8 m and 13 m. Find the area of the field.

[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined

Diagram of the adjacent picture frame has outer dimensions = 24 cm × 28 cm and inner dimensions 16 cm × 20 cm. Find the area of each section of the frame, if the width of each section is same.

[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined

For the given solid, the three views are given. Identify for each solid the corresponding top, front and side views.

Object (i) (ii) (iii)

 

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

For the given solid, the three views are given. Identify for each solid the corresponding top, front and side views.

Object (i) (ii) (iii)

 

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined
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