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Kamala bought a refrigerator in Rs. 4800 and he spent 20% of the cost price on its repairing. How much amount in percentage should he add in the cost price to get a profit of Rs. 1400 ?  (a) 20% (b) 24.3%  (c) 25%  (d) 34.28%  Ramu buys an old scooter in Rs.4,700 and spends Rs. 800 on its repairing. If he sells the scooter in Rs. 5,800 then what is his percentage profit?  (a) 5%  (b) 67/11%  (c) 60/11%  (d) 6%  A person buys a cycle in Rs. 1,400 and sell it at a loss of 15%. What is the selling price of the cycle (in Rupees)?  (a) 1202  (b) 1190  (c) 1160 (d) 1000  After selling 17 balls for Rs. 720 the loss is equal to the cost price of 5 balls. What is the cost price of 1 ball?  (a) Rs. 45  (b) Rs. 50  (c) Rs. 60 (d) Rs. 55   After selling a tape-recorder in Rs. 950, I suffer a loss of 5%. What will be the percentage profit if it is sell for Rs. 1040 ?  (a) 5  (b) 4 (c) 4.5  (d) 9...

 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...