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Match each of the entries in Column I with the appropriate entry in Column II Column I Column II 1. x and y vary inversely to each other A. x y = Constant 2. Mathematical representation of inverse B. y will increase in proportion variation of quantities p and q 3. Mathematical representation of C. xy = Constant direct variation of quantities m and n 4. When x = 5, y = 2.5 and when D. p ∝ 1 q y = 5, x = 10

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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The table shows the time four elevators take to travel various distances. Find which elevator is fastest and which is slowest. Distance (m) Time (sec.) Elevator- A Elevator- B Elevator- C Elevator- D 43544813085 2928105 How much distance will be travelled by elevators B and C seperately in 140 sec? Who travelled more and by how

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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The variable x is inversely proportional to y. If x increases by p%, then by what per cent will y

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Kritika is following this recipe for bread. She realises her sister used most of sugar syrup for her breakfast. Kritika has only `1/6` cup of syrup, so she decides to make a small size of bread. How much of each ingredient shall she use? Bread recipe 1 cup quick cooking oats 2 cups bread flour `1/3` cup sugar syrup 1 tablespoon cooking oil `1 1/3` cups water 3 tablespoons yeast 1 teaspoon

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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What is the area of the triangle ADE in the following figure?

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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What will be the change in the volume of a cube when its side becomes 10 times the original

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Area of a rhombus is equal to __________ of its

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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A cube of side 4 cm is cut into 1 cm cubes. What is the ratio of the surface areas of the original cubes and cut-out

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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A regular hexagon is inscribed in a circle of radius r. The perimeter of the regular hexagon

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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The figure ABCD is a quadrilateral in which AB = CD and BC = AD. Its area is

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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The area of a parallelogram is 60 `cm^2` and one of its altitude is 5 cm. The length of its corresponding side

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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The ratio of radii of two cylinders is 1: 2 and heights are in the ratio 2:3. The ratio of their volumes

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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A cube of side 4 cm is painted on all its sides. If it is sliced in 1 cubic cm cubes, then number of such cubes that will have exactly two of their faces painted is

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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The volume of a cylinder becomes __________ the original volume if its radius becomes half of the original

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Volume of a cylinder with radius h and height r is

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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A bicycle wheel makes 500 revolutions in moving 1 km. Find the diameter of the

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Find the length of the largest pole that can be placed in a room of dimensions `12 m xx 4 m xx 3 m`. Find the area of the following fields. All dimensions are in

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Find the volume of each of the given figure if volume = base area `xx`height.

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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How many cubes each of side 0.5 cm are required to build a cube of volume 8 `cm^3`

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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