Aptitude Area Quiz No7

The ratio of the areas of the incircle and cirumcircle of an equilateral triangle is?





if the circumference of a circle is increased by 50% then its area will be increased by?





Two squares A and B have each side 10  m and 24 m respectively. Find the side of another square C whose area is equal to the sum of areas of A and B?





the area of a circle inscribed in an equilateral triangle is 462. the perimeter of the triangle is?





the diameter of the wheel of a vehicle is 1.4 m. the wheel makes 10 revolutions in 5 seconds. The speed f the vehicle ( in kmph) is?





The circular wire radius of 42 cms is cut and bent  into form of a rectangle whose sides are      in the ratio of 6:5. the smaller side off the rectangle is?





A toothed wheel of a diameter 50 scm is attached to a smaller  wheel of a diameter 30 cm. how many revolutions will be smaller heel make      when the larger one makes 15 revolutions?





The length and breadth of a rectangular piece of land are in      the ratio of 5:3. the owner spent Rs 3000 for surrounding it from all the      sides at Rs 7.50 per meter. The difference between its length and breadth      is?





When the circumference and area of a circle are numerically equal, then the diameter is numerically equal to?





If the ratio of two circles is 16:25, then the ratio of their circumference is?







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