Question 1 :
If the circumference of a circle is$\displaystyle \frac{30}{\pi }$ then the diameter of the circle is
Question 2 :
The diameter of a wheel that makes 113 revolutions to go 2 Km 26 decametres is$\displaystyle \left ( \pi =\frac{22}{7} \right )$
Question 3 :
If the difference between the circumference and diameter of a circle is $30\ cm$, then the radius of the circle must be:
Question 4 :
State whether True or FalseThe diameter of a circle is $10 cm$. Find the length of the arc, when the corresponding central angle is as given below.  $(\pi =3.14)$<br/>$270^{\circ}$ is 12.56cm<br/>
Question 5 :
Find the area of sector whose length is $30\ \pi$ cm and angles of the sector is $40^o$.
Question 6 :
The diameter of two circles are $32 cm$ and $24 cm$. Find the radius of the circle having its area equal to sum of the area of the two given circle.
Question 7 :
The ratio between the diameters of two circles is $3 : 5,$ then find the ratio between their areas.<br/>
Question 8 :
If circumference of a circle is $110\ cm$, then its diameter is <br/>
Question 9 :
Tick the correct answer in the following:<br/>Area of a sector of angle $\theta$ (in degrees) of a circle with radius R is
Question 10 :
Ratio of circumference of a circle to its radius is always $2 \pi : 1$
Question 11 :
The area of a circular plot is $3850$ square meters. What is the circumference of the plot ?
Question 12 :
What is the radius of a circle whose circumference is $\pi$?
Question 13 :
A sector of $120^{\circ}$ cut out from a circle has an area of $9\displaystyle \frac{3}{7}$sq cm. The radius of the circle is
Question 14 :
Given radius = $11 $ cm, area of the sector is $230 $ $cm^2$. Find the length of the arc $SR$.<br/>
Question 15 :
A square sheet of paper is converted into a cylinder by rolling it along its length. What is the ratio of the base radius to side of the square ?
Question 16 :
The minute hand of a clock is 14 cm long If it moves between 8:00 AM and 8:45 AM What is the area covered by it on the face of the clock?
Question 17 :
The circumference of a circular field is $528\ m$. Then its radius is
Question 18 :
A man runs with the speed of $15.84\ km/hr$. He completes $12$ rounds of a circular ground in one hour, find the area of the ground in $sq. m$.
Question 19 :
The cost of fencing a circular field at the rate of $Rs\:.240\: per\: metre$ is $Rs. \: 52,800$ . The field is to be ploughed at the rate of $Rs. 12.50 \: per \: m^{2}$. Find the cost of ploughing the field.
Question 20 :
The diameter of a bullock cart wheel is $\displaystyle \frac{14}{11}$ meters. This wheel makes $10$ complete revolutions per minute. What would be the speed of the cart in kilometers per hour?
Question 21 :
If the area of a circle is halved when its radius is decreased by n then the radius is equal to
Question 22 :
A sector is cut off from a circle of radius $21$ cm The angle of the sector is $\displaystyle 120^{\circ} $ The length of its arc is [Take $\displaystyle \pi =\frac{22}{7} $]
Question 23 :
The minute hand of a clock is $10$ cm long. Find the area of the face of the clock described by the minute hand between $9$A.M and $9.35$A.M.
Question 24 :
Each wheel of a car is of diameter $80 cm$. How many complete revolutions does each wheel make in $10  min$ when the car is travelling at a speed of $66$ km per hour. 
Question 25 :
The area of a sector with a radius of $2 cm$ is $12 $ <br> $cm^2$. Calculate the angle of the sector. (Assume $\pi = 3$)<br/>
Question 26 :
If the circumference of a circle is reduced by $50\%$ the area of the circle is reduced by:
Question 27 :
If the circumference and the area of a circle are numerically equal, then what its the numerical value of the diameter?<br/>
Question 28 :
If the sector of a circle of diameter $14 cm$ subtends an angle of $30^{\circ}$ at the centre, then its area is
Question 29 :
The area of a circle is 314 sq. cm and area of its minor sector is 31.4 sq. cm. Find thearea of its major sector.
Question 30 :
The sum of the areas of two circles, which touch each other externally is $153$ $\pi$. If the sum of their radius is $15$, then the ratio of the larger to the smaller radius is
