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91.The ratio of the length and the breadth of a rectangle is 4 : 3 and the area of the rectangle is 6912 sq cm. Find the ratio of the breadth and the area of the rectangle?
92.The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?
93.The ratio of the number of boys and girls is 3:2 if 20 % of the boys and 30 % of the girls are scholarship holders then the percentage of students who do not get scholarship is____?
94.The ratio of the prices of three articles X, Y and Z is 8 : 5 : 3. If the prices of X , Y and Z are increased by 25%, 20% and 33 1/3% respectively, then what would be the ratio of the new prices of X, Y and Z?
95.The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is____?
96.The ratio of the volumes of a cube to that of the sphere which will fit inside the cube is____?
97.The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?
98.The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.
99.The sides of a cube are in the ratio 1:2 the ratio of their volume is____?
100.The sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number.