The length of the diagonal of a square is $d$. Then, area of the square is

Important Questions on Mensuration – I (Perimeter and Area of Rectilinear Figures)

MEDIUM

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 6

The ratio of the areas of two squares, one having it's diagonal double that of the other, is

MEDIUM

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 7

If the ratio of the areas of two squares is $9:1$, then the ratio of their perimeters is

EASY

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 8

The ratio of the area of a square of side $a$ and that of an equilateral triangle of side $a$, is

MEDIUM

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 9

On increasing each side of a square by $25\%$, the increase in the area will be

EASY

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 10

The area of a square is $50 {\mathrm{cm}}^2$. Then the length of its diagonal is

EASY

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 11

Each diagonal of a square is $14 \mathrm{cm}$ . Its area is 

MEDIUM

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 12

The area of a square field is $64 {\mathrm{m}}^2$. A path of uniform width is laid around and outside it. If the area of the  path is $17 {\mathrm{m}}^2$, then the width of the path is $k \mathrm{m}$, find $k$.

EASY

7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 20 - Mensuration – I (Perimeter and Area of Rectilinear Figures)>OBJECTIVE TYPE QUESTIONS>Q 13

A path of $1 \mathrm{m}$ runs around and inside a square garden of side of $20 \mathrm{m}$. The cost of leveling the path at the rate of $₹ 2.25$ per square metre is