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Find the area of an isosceles triangle whose base is 16 cm and the length of each of the equal sides is 10 cm.
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Find the base of a triangle whose area is 360 cm2 and height is 24 cm.
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The legs of a right-angled triangle are in the ratio 4 : 3 and its area is 4056 cm2. Find the length of its legs.
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The area of an equilateral triangle is (`64xxsqrt3`) cm2. Find the length of each side of the triangle.
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The sides of a triangle are in the ratio 15 : 13 : 14 and its perimeter is 168 cm. Find the area of the triangle.
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The diameter of a circle is 20 cm. Taking π = 3.14, find the circumference and its area.
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The ratio between the radius of two circles is 5 : 7. Find the ratio between their:
(i) circumference
(ii) areas
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The ratio between the areas of two circles is 16 : 9. Find the ratio between their :
(i) radius
(ii) diameters
(iii) circumference
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The diameter of every wheel of a car is 63 cm. How much distance will the car move during the 2000 revolutions of its wheel.
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The diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel one kilometer?
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A metal wire, when bent in the form of a square of largest area, encloses an area of 484 cm2. Find the length of the wire. If the same wire is bent to the largest circle, find:
(i) radius of the circle formed.
(ii) area of the circle.
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A wire is along the boundary of a circle with a radius of 28 cm. If the same wire is bent in the form of a square, find the area of the square formed.
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The length and breadth of a rectangular paper are 35 cm and 22 cm. Find the area of the largest circle which can be cut out of this paper.
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From each corner of a rectangular paper (30 cm x 20 cm) a quadrant of a circle of radius 7 cm is cut. Find the area of the remaining paper i.e., shaded portion.
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Find the mean and the mode for the following data:
| Term | 18 | 22 | 23 | 30 | 34 | 38 |
| Frequency | 3 | 5 | 10 | 2 | 8 | 2 |
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Find the mode of 5, 6, 9, 13, 6, 5, 6, 7, 6, 6, 3
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Find the mode of 7, 7, 8, 10, 10, 11, 10, 13, 14
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Find the mode of:
| x | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| f | 6 | 7 | 9 | 13 | 10 | 12 | 8 | 0 | 4 |
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Find the mode of:
| Height (cm) | 37 | 38 | 39 | 40 | 41 |
| Number of plants | 46 | 89 | 93 | 90 | 153 |
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Find the mean, the median, and the mode of 12, 24, 24, 12, 30 and 12.
Concept: undefined >> undefined
