Questions

1 Marks Question

🎯

Test yourself on this topic

11 questions · timed · auto-graded

Question 11 Mark
Find the circumference of a circle whose diameter is:
$14\ cm$
Answer
We know,
Circumference $=\pi \times \text{Diameter}$
Circum ference $=\frac{22}{7}\times 14$
$=44\text{cm}$
View full question & answer
Question 21 Mark
Fill in the blank. Area of a rectangle = (______) $\times $ (______).
Answer
Area of a rectangle = (length) $\times $ (breadth).
View full question & answer
Question 31 Mark
Fill in the blank. If the length of a rectangle is $5m$ and its breadth is $4m$, then its area is _______.
Answer
If the length of a rectangle is $5m$ and its breadth is $4m$, then its area is $20m^2$
Area of a rectangle = (length) $\times $ (breadth) $= (5 \times 4)m^2= 20m^2$
View full question & answer
Question 41 Mark
Fill in the blank.
A polygon having all sides equal and all angles equal is called a ________ polygon.
Answer
A polygon having all sides equal and all angles equal is called a regular polygon.
View full question & answer
Question 51 Mark
Find the circumference of a circle whose radius is: $3.5m$
Answer
Circumference $=2\pi\text{r}$ $=2\times \frac{22}{7}\times3.5$ $=22\text{m}$
View full question & answer
Question 61 Mark
Fill in the blank. Perimeter of a square = _____ $\times $ side.
Answer
Perimeter of a square = 4 × side.
View full question & answer
Question 81 Mark
Find the circumference of a circle whose diameter is: $10.5m$
Answer
We know, Circumference $=\pi \times \text{Diameter}$ Circum ference $=\frac{22}{7}\times 10.5$ $=33\text{cm}$
View full question & answer
Question 91 Mark
Find the circumference of a circle whose radius is: $10.5cm$
Answer
Circumference $=2\pi\text{r}$ $=2\times \frac{22}{7}\times10.5$ $=66\text{cm}$
View full question & answer
Question 101 Mark
Find the circumference of a circle whose diameter is: $35\ cm$
Answer
We know, Circumference $=\pi \times \text{Diameter}$ Circum ference $=\frac{22}{7}\times 35$ $=110\text{cm}$
View full question & answer
Question 111 Mark
Find the circumference of a circle whose radius is: $28\ cm$
Answer
Circumference $=2\pi\text{r}$ $=2\times \frac{22}{7}\times 28$ $=176\text{cm}$
View full question & answer