The length of a side of an equilateral triangle is 8 cm. The area of the region lying between the circum circle and the encircle of the triangle is
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Aptitude · all questionsMensuration 2d
Mensuration 2d
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A farmer's land is in the shape of a trapezium which has its parallel sides measuring 2.56 yards and 3.44 yards and the distance between the parallel sides is 1.44 yards. The cost of ploughing the land is Rs. 1800 per square yard. What amount will (in Rs.) have to be spent in order to plough the entire land?
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Three circles of radius 4 cm are kept touching each other. The string is tightly tied around these three circles. What is the length of the string?
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A person observed that he required 30 seconds less time to cross a circular ground along its diameter than to cover it once along the boundary. If his speed was 30 m/minutes. then the radius of the circular ground is
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If the sides of an equilateral triangle are increased by 20%, 30% and 50% respectively to form a new triangle the increase in the perimeter of the equilateral triangle is
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ABCD is a parallelogram. BC is produced to Q such that BC = CQ. Then
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The perimeter of a sheet of paper in the shape of a quadrant of a circle is 75 cm. Its area would be
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Two adjacent sides of a parallelogram are of length 15 cm and 18 cm. If the distance between two smaller sides is 12 cm, then the distance between two bigger sides is
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From a point in the interior of an equilateral triangle, the perpendicular distance of the sides are √3, cm 2√3 cm and 5√3 cm. The perimeter (in cm) of the triangle is
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At each corner of a triangular field of sides 26 m, 28 m and 30 m, a cow is tethered by a rope of length 7 m, the area (in m2) ungrazed by the cows is
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ABCD passes through the centres of the three circles as shown in the figure. AB = 2 cm and CD = 1 cm. If the area of middle circle is the average of the areas of the other two circles, then what is the length (in cm) of BC?
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The area of a field in the shape of a triangle with each side metres is equal to the area of another triangular field having sides 50 m, 70 m and 80 m. The value of is closest to:
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From a point within an equilateral triangle, perpendiculars drawn to the three sides are 6 cm, 7 cm and 8 cm respectively, the length of the side of the triangle is:
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In the given figure, AB, AE, EF, FG and GB are semicircles. AB = 56 cm and AE = EF = FG = GB. What is the area (in cm2) of the shaded region?
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Two equal maximum sized circular plates are cut off from a circular paper sheet of circumference 352 cm. Then the circumference of each circular plate is
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The area of a square park is 16x2 + 8x + 1. What is the length of the park?
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Three sides of a triangle are and units. What is the area (in unit squares) of the triangle?
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A circular swimming pool is surrounded by a concrete wall 4 m wide. If the area of the concrete wall surrounding the pool is that of the pool, then the radius (in m) of the pool:
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ABCDEF is a regular hexagon of side 12 cm. What is the area (in cm2) of the triangle ECD?
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One side of rhombus is 13 cm and one of its diagonals is 24 cm. What is the area of the rhombus?
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