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Composite demand occurs when a commodity is demanded for different uses. For example, sugar is used in food products, pharmaceuticals, and biofuels. Similarly, milk is in demand for drinking, making cheese, butter, and other dairy products. This type of demand indicates that the commodity has multiple applications.
What is the difference between (in m2) the area of a circular field of radius 21 metres and area of a rectangular piece of land having its di...
If an arc subtends an angle of 90o at the centre of the circle whose radius is 28 cm, then find the area of that sector. [Take π = 22/7]
A man wants to cover the floor of his living room with square tiles. The dimensions of the room are 36 cm in length and 24 cm in breadth. What is the mi...
The difference between the area of a circle and the area of the rectangle is 290.16 cm2. If the length of rectangle is 25% more and breadth i...
The two parallel sides of a trapezium are 27 cm and 13 cm respectively. If the height of the trapezium is 8 cm, then what is its area in m²?
A rectangular piece of land has a perimeter of 66 metres and length of 21 metres. If the area of the land is to be divided into 7 equal portions, then w...
The volume and height of a cylinder are 2662 cm3 and 7 cm. Find the radius of the cylinder.
The ratio between the number of sides of two regular polygon is 1 : 2 and the ratio between their interior angles is 2 : 3. The number of sides of these...
Length and breadth of a rectangular field is (x + 6) cm and (x – 3) cm, respectively. If the cost of ploughing the field at a rate of Rs. 10 per cm² ...
The average weight of a group of five persons, A, B, C, D, and E is 78 kg. If another person K joins the group then the average weight of the group is d...