The letter $\mathrm{X}$ has a rotational symmetry of order $2$.

Important Questions on Worksheet 3 (Based on Chapters 1 to 12)

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 1

Two adjacent supplementary angles form a linear pair

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 2

If a product has an_____number of negative integers, then the sign of the product is positive.

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 2

Fraction $÷$ Whole number = Fraction $\times$ _____ of whole number.

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 2

The process of shifting a number from one side of an equation to the other by changing the sign is called _____

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 2

Two angles having a common vertex and one common arm with the other arm lying on the opposite sides of a common arm are called _____. 

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 2

A_____theorem states that the square of the hypotenuse in a right-angled triangle is equal to the sum of the squares of the other two sides.

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 2

_____sheets are dotted sheets with every dot equidistant from each other.

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 3

Find $x$ if ${\left(\frac{2}{5}\right)}^x÷{\left(\frac{2}{5}\right)}^{2x+11}={\left(\frac{2}{5}\right)}^{14}\times {\left(\frac{2}{5}\right)}^{4x+12}$