Draw the net of a cone . 

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 4

In the given figure $AB\parallel QR$. Find the value of $x, y$and $z$.

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 5

ABC is an isosceles right triangle, right-angled at $B$. Prove that $A{C}^2=2A{B}^2$
 

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 5

Find $x$ if, $3.8x+4.2a^2+3.4ax=13.608$ and $a=\frac{1}{5}$

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 6

 In a family, the consumption of grains and vegetables is in the ratio of $7:5$. If the total consumption is $72$ kg, find the consumption of each.

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 8

Convert $4.3\overline{2}$ into a rational number

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 9

The angles of a triangle are in the ratio of 5 : 4 : 9. Find the value of each angle. Name the triangle formed. 

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 10

If $12$ men can do a piece of work in $28$ days, in how many days can $14$ men do the same work?

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter NA - Worksheet 3 (Based on Chapters 1 to 12)>Worksheet 3>Q 10

In how many years will a sum of money triple itself at $10\%$ interest per annum?