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61.If the volumes of two cubes are in the ratio 8: 1, the ratio of their edges is____?
62.varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
63.In what ratio must water be mixed with milk to gain 16 2/3 % by selling the mixture at cost price?
64.p is 50% more than q. Find the ratio of p to q.
65.The areas of the two spheres are in the ratio 1: 4. The ratio of their volume is?
66.The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:____?
67.The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?
68.The diameters of two spheres are in the ratio 1:2 what is the ratio of their volumes?
69.The edges of a cuboid are in the ratio 1 : 2 : 3 and its sunface area is 88 cm2. The volume of the cuboid is :____?
70.The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, the ratio of their volume is____?