Quantitative Maths Preparation

Quantitative Maths Preparation -> Multiple Choice

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Quantitative Section: Multiple Choice

61. What is the measure of the circum radius of a triangle whose sides are 9, 40 and 41? (a) 6 (b) 4 (c) 24.5 (d) 20.5 Ans : (d) 62. If the sum of the interior angles of a regular polygon measures up to 1440 degrees, how many sides does the polygon have? (a) 10 sides (b) 8 sides (c) 12 sides (d) 9 sides Ans : (a) 63. If ABC is a right angle triangle with angle A = 900 and 2s = a + b + c, where a > b > c where notations have their usual meanings, then which one of the following is Correct? (a) (s - b) (s - c) > s (s - a) (b) (s - a) (s - c) > s (s - b) (c) (s - a) (s - b) < s (s - c) (d) 4s (s - a) (s - b) (s - c) = bc Ans : (c) 64. What is the measure of in radius of the triangle whose sides are 24, 7 and 25? (a) 12.5 (b) 3 (c) 6 (d) None of these Ans : (b) 65. What is the circum radius of a triangle whose sides are 7, 24 and 25 respectively? (a) 18 (b) 12.5 (c) 12 (d) 14 Ans : (b) Quantitative Ability : Menstruation 66. A regular hexagon is inscribed in a circle of radius r cms. What is the perimeter of the regular hexagon? (a) 3r (b) 6r (c) r (d) 9r Ans : (b) 67. A 4 cm cube is cut into 1 cm cubes. What is the percentage increase in the surface area after such cutting? (a) 4% (b) 300% (c) 75% (d) 400% Ans : (b) 68. If the diagonal and the area of a rectangle are 25 m and 168 m2, what is the length of the rectangle? (a) 17 m (b) 31 m (c) 12 m (d) 24 m Ans : (d) 69. The surface area of the three coterminous faces of a cuboid are 6, 15, 10 sq.cm respectively. Find the volume of the cuboid. (a) 30 (b) 20 (c) 40 (d) 35 Ans : (a) 70. If each interior angle of a regular polygon is 150 degrees, then it is (a) Octagon (b) Decagon (c) Dodecagon (d) Tetrahedron Ans : (c)

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