Question 1 :
If C is the circumference of a circle of radius r then which of the following statement is true?

Question 2 :
Let circumference of a circle is $S$ and area of the circle is $A$. Then which of the following is true.

Question 3 :
Each of these questions is followed by three statements. You have to study the question and all the three statements given to decide whether any information provided in the statement(s) is redundant and can be dispensed with while answering the given question.<br>What is the area of the given rectangle?<br>I.Perimeter of the rectangle is 60 cm.<br>II.Breadth of the rectangle is 12 cm<br>III.Sum of two adjacent sides is 30 cm

Question 4 :
The minute hand of a clock is $14\ cm$ long. How much distance does the end of the minute hand travel in $15$ minutes? $\left (\pi = \dfrac {22}{7}\right )$

Question 5 :
The radius of a circle is $20 cm$. If more concentric circles are drawn inside it in such a manner that it is divided into 4 equal parts, find the radius of the smallest circle.

Question 6 :
If the ratio of the areas of two circles is 100 : 1, then theratio of their radii is

Question 7 :
Consider the railway platform which is in square shape having side length $2\ km$. Then area of the platform is $4$ ____.

Question 8 :
To find the cost of painting a wall we need to find the perimeter of the wall.

Question 9 :
The area of a field surveyed is $11,200\ sq. m.$ the readings in the given field book are in meters.<br><table class="wysiwyg-table"><tbody><tr><td></td><td>To $D$</td><td></td></tr><tr><td></td><td>$200$</td><td></td></tr><tr><td><br></td><td>$160$</td><td>$'x'$ to $C$</td></tr><tr><td>To $E 'x'$</td><td>$120$</td><td></td></tr><tr><td></td><td>$80$</td><td>$40$ to $B$</td></tr><tr><td>To $F\ 40$</td><td>$40$</td><td><br></td></tr><tr><td></td><td>From $A$</td><td></td></tr></tbody></table>The value of $x$ will be

Question 10 :
If a plane cuts off intercepts $OA=a,OB=b,OC=c$ from the co-ordinate axes, then the area of the triangle $ABC=$