8th Volume surface are solved Examples Download File
For Practice: Test Paper-VOLUMES SURFACE AND AREA--VIII
1. Find the area of a carpet spread on a floor of 12 m by 9.5 m
2.A tiles measure 10 cm x 10 cm How many tiles are required for a wall 4 m by 2.5 m
3.A lane is 45 m by 32 m. Find cost of leveling it at Rs. 2.50 per m2?
4. A card board is 4.5 m by 3.5 m. Find the cost of painting it on both side at Rs1.25 per m2
5.A field is 350 m by 300 m. Find the length of wire needed for fencing
6.A foot path runs inside the rectangular 38 m and 32 m. If the width of path is runs inside .The width of path is 5m. Find the area of path?
7.A side of square is 300 m .Find the perimeter of square in km.
8. Find the perimeter of the rectangular field 725 m by 300 m in km.
9 . The radius of the circle is 3 m. What is the circumference of another circle, whose area is 49 times that of the first?
10. Two circles touch externally. The sum of their areas is 130 p sq. cm and the distance between their centers is 14 cm. Find the radii of the circles.
11. A wire when bent in the form of an equilateral triangle encloses an area of 121 √3 cm2 . If the same wire is bent in the form of a circle, find the area of the circle.
For Practice: Test Paper-VOLUMES SURFACE AND AREA--VIII
1. Find the area of a carpet spread on a floor of 12 m by 9.5 m
2.A tiles measure 10 cm x 10 cm How many tiles are required for a wall 4 m by 2.5 m
3.A lane is 45 m by 32 m. Find cost of leveling it at Rs. 2.50 per m2?
4. A card board is 4.5 m by 3.5 m. Find the cost of painting it on both side at Rs1.25 per m2
5.A field is 350 m by 300 m. Find the length of wire needed for fencing
6.A foot path runs inside the rectangular 38 m and 32 m. If the width of path is runs inside .The width of path is 5m. Find the area of path?
7.A side of square is 300 m .Find the perimeter of square in km.
8. Find the perimeter of the rectangular field 725 m by 300 m in km.
9 . The radius of the circle is 3 m. What is the circumference of another circle, whose area is 49 times that of the first?
10. Two circles touch externally. The sum of their areas is 130 p sq. cm and the distance between their centers is 14 cm. Find the radii of the circles.
11. A wire when bent in the form of an equilateral triangle encloses an area of 121 √3 cm2 . If the same wire is bent in the form of a circle, find the area of the circle.
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