Question 1 :
Size of a tile is $9$ inches by $9$ inches. The number of tiles needed to cover a floor of $12$ feet by $18$ feet is
Question 2 :
If the diameter of a circle is increased by 200% then its area is increased by<br>
Question 3 :
If the radius of a circle is tripled, the ares becomes.
Question 4 :
The area of a sector is 1/18th of the area of the circle The sectorial angle is
Question 5 :
Choose the correct answer from the alternative given.<br/>A can go round a circular path $8$ times in $40$ minutes. If the diameter of the circle is increased to $10$ times the original diameter, the time required by A to go round the new path once travelling at the same speed as before is:
Question 6 :
The sum of the circumference and diameter of a circle is $116 cm$. Find its radius.
Question 8 :
The area of a sector formed by two mutually perpendicular radii in $\odot \left( 0,5cm \right) $ is ............... ${cm}^{2}$.
Question 9 :
The perimeter of a sector of a circle is 37cm. If its radius is 7cm, then its arc length is
Question 10 :
Cirumference of a circle is S cm, and its area is A sq cm. which one of the following relations is true?
Question 11 :
Find the circumference of the circle with the following radius : 10 cm
Question 12 :
What is the area of the sector of a circle, whose radius is $6\ m$ when the angle at the centre is $42^{\circ}$?
Question 13 :
The radius of a circle whose area is equal to the sum of the areas of two circles where radii are 5 cm and 12 cm is
Question 15 :
State true or false.Sector is the region between the chord and its corresponding arc.
Question 16 :
If the radius and arc length of a sector are 17 cm and 27 cm respectively, then the perimeter is
Question 17 :
If the difference between the circumference and radius of a circle is 37 cm then its diameter is
Question 18 :
The diameter of a circle is divided into n equal parts.On each part a semicircle is constructed. as n becomes very large, the sum of the lengths of the arcs of the semicircles approaches a length:
Question 19 :
The radius of a wheel is $0.25 m$. How many rounds will it take to complete the distance of $11 km$?
Question 20 :
A square is inscribed in a circle of radius $7\: cm$. Find area of the square.
Question 21 :
The diameter of a wheel of a cycle is 21 cm How far will it go in 28 complete revolutions?
Question 22 :
The region between an arc and two radii joining the centre to the end points of the arc is called
Question 23 :
The perimeter of a sector of a circle is $56$ cms and the area of the circle is $64\pi$ sq. cms  Find the area of sector.
Question 24 :
If the number of units in the circumference of a circle is same is same as the number of units in the area then the radius of the circle will be
Question 26 :
The minute hand of a clock is $\displaystyle \sqrt{21}$ cm long. The area described by the minute hand on the face of the clock between $7$ am and $7.05$ am is
Question 27 :
If radius of a circle is increased to twice its original length, how much will the area of the circle increase ?
Question 29 :
State true or false:<br/>Sector is the region between the chord and its corresponding arc.
Question 30 :
A sector of a circle with sectorial angle of$\displaystyle 36^{\circ} $ has an area of 15.4 sq cm The length of the arc of the sector is