**Direct and Inverse Variation** - Class 7 Mathematics CBSE ICSE

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**Direct and Inverse Variation**by practicing the below questions from class 7 Mathematics.###### x varies directly as 2y. When x = 2, y = 3. The value of x when y = 6 is

###### Two supplementary angles are in the ratio 2 : 1. The larger angle is

###### A car travels 75 km in 45 minutes. Its speed in km/h is

###### 6 : 9 :: 2 : (x+1). The value of x in this proportion is

###### x varies directly as y and x=7 when y =28. The value of x when y is 84 is

###### 72 km/h = ? m/s

###### The cost of one apple and orange is in the ratio 4:5. If the cost of apple is Rs 16, the cost of one orange is

###### A cycle moves at a constant speed of 9 km/h. What is its speed in m/s?

###### If x_{1} = 3, y_{1} = 4, x_{2} = 9 and y_{2} = 12, then identify the true statement from the following.

###### Identify the direct variation from the following.

Topics in Class 7 Mathematics:

Simple interest

Area and Perimeter of plane figures and surface area and volume of cube and cuboids

Factorization and Linear Equations

Algebraic Expression and Identities

Applications of Percentage

Simple and Compound Interest

Direct and Inverse Variation

Data Handling

Understanding Quadrilaterals

Area of Polygons

Representing Solids on Plane Surfaces

Surface Area and Volume

Rational Numbers

Playing with Numbers

Square and Square Roots

Cube and Cube Roots

Powers and Exponents

Time and Work

Percentage and its Applications

Ratio and Proportion

Properties of Triangles

Perimeter and Area of Circles and Some Rectilinear Figures

Area and Perimeter of plane figures and surface area and volume of cube and cuboids

Factorization and Linear Equations

Algebraic Expression and Identities

Applications of Percentage

Simple and Compound Interest

Direct and Inverse Variation

Data Handling

Understanding Quadrilaterals

Area of Polygons

Representing Solids on Plane Surfaces

Surface Area and Volume

Rational Numbers

Playing with Numbers

Square and Square Roots

Cube and Cube Roots

Powers and Exponents

Time and Work

Percentage and its Applications

Ratio and Proportion

Properties of Triangles

Perimeter and Area of Circles and Some Rectilinear Figures

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