For the following questions answer them individually
A copper wire is bent in the form of square with an area of 121 cm 2. If the same wire is bent in the form of a circle, the radius (in cm) of the circle is
The areas of three consecutive faces of a cuboid are 12 cm2, 20cm2 and 15 cm2, then the volume (in cm3) of the cuboid is
Water is flowing at the rate of 5 km/h through a pipe of diameter 14 cm into a rectangle tank which is 50 m long, 44 m wide. The time taken, in hours, for the rise in the level of water in the tank to be 7 cm is
The wheel of a motor car makes 1000 revolution in moving 440 m. The diameter (in meter) of the wheel is
The sides of a triangle are in the ration 2 : 3 : 4. The perimeter of the triangle is 18 cm. The area (in cm2) of the triangle is
Marked price of an article is Rs. 275. Shopkeeper allows a discount of 5% and he gets a profit of 4.5%. The actual cost of the article is
The difference between a discount of 40% on Rs. 500 and two successive discounts of 36%, 4% on the same amount is
The ratio of the quantities on an acid and water in a mixture is 1 : 3. If 5 liters of acid is further added to the mixture, the new ratio becomes 1 : 2. The quantity of new mixture in litres is
The ratio between two numbers is 2 : 3. If each number is increased by 4, the ratio between them becomes 5 : 7. The difference between the numbers is
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