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Surface Areas and Volumes

Surface area and Volumes  Qustion 1   The dimension of a iron cuboid are 4.4m×2.6m×1.0m. It is melted and recast into a hollow cylindrical pipe of 30 cm inner radius and thickness 5cm find the length of the pipe?
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Coordinate Geometry

 Coordinate Geometry QUESTION 1 Find the coordinate of the point A , where AB is diameter of a circle whose center is (2, -3) and B is the point (1,4). QUESTION 2 Find the coordinate of a point A, where AB is diameter of the circle (-2, 2) and B is point with  coordinate (3, 4). QUESTION 3 Find the ratio in which the segment joining the points (1, -3) and (4, 5) is divided by x-axis? Also find the coordinate of this point on x-axis. QUESTION 4 Write coordinates of a point P on x-axis which is equidistant from the point A (-2, 0) and B(6, 0). QUESTION 5 Find the point on y-axis which is equidistant from the point  (5,  -8) and (-3, 2). QUESTION 6 The line segment joining the point  A(2, 1) and (5, -8) is triscted at the point P and Q sch that P is nearer to A. If P also lies on the line given 2x -y + = 0, find the value of k. QUESTION 7 Find the distance of a point P (x, y) from the origin. QUESTION 8 Find the ratio in which P(4, m) divide...
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Quadratic Equations

  Quadratic Equations Qustion 1 Divide 27 into 2 parts such that the sum of their reciprocals is 3/20. Qustion 2 A rectangular feild 16m long and 10m wide. There is a path of uniform width all around it having an atea of 120m^2. form the quadrotic equation for the givn problem? Qustion 3 An employer finds that he increases the weekly wages of each worker by Rs 3 and employs 1 worker less, He reduces his weekly wage bill from Rs 816 to Rs 781. Taking the original weekly wage of each worker as Rs 'x', form an equation in 'x' and solve it to find the weekly wage of each worker. QUSTION 4 Swati can raw a boat at a speed of 5km/h in still water.  If she takes 1houer more to row the boat 5.25 km upstream and them  to return downstream. Ten find the speed of the still water.                 Quadratic Equation: ax 2 + bx + c = 0   a =   b =   c =  X 1 =   X 2 = ...
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