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OTHER CLASS VI TOPICS

Algebraic Expressions

Algebraic Expressions

Decimals

Convert Decimal into Fraction

Finding place value

Fractions

Addition of Fractions

Comparison of Fractions

Conversion of Mixed fractions to Improper fractions

Finding Equivalent Fractions

Fraction as a part of a collection

Subtraction of Fractions

Geometry

Line Segment, Ray and Line

Integers

Absolute Value of an Integer

Addition and Subtraction of Integers

Additive Inverse

Consecutive Integers

Division of Integers

Multiplication of Integers

Successor and Predecessor of an Integer

Knowing our Numbers

Biggest and smallest numbers

Indian System of Numeration

Linear Equations

Linear Equations

Number System

Percentage

Perimeter

Perimeter of triangles

Polynomials

Addition of Polynomials

Profit and Loss

Profit and Loss

Ratio and Proportion

Statistics

Substitution

Triangles

Whole Numbers

Addition of Whole Numbers

Mathematics Class VI Ratio and Proportion Proportion

Question

Determine if the following ratio form a proportion
25 cm : 1 m :: ₹ 40 : ₹ 160

Yes

No

Can not tell for sure

Solution

The correct answer is Yes

Explanation

25 cm : 1 m

⇒ 25 cm : 100 cm =

$\dfrac{1}{4}$

₹ 40 : ₹ 160

⇒ ₹ 40 : ₹ 160 =

$\dfrac{40}{160}$ =

$\dfrac{1}{4}$

∴ 25 cm : 1 m :: ₹ 40 : ₹ 160 are in proportion.