Question Text
Question 1 :
If the height of a parallelogram is doubled and base tripled, then its area becomes<br/>
Question 2 :
If the area of a circle is numerically equal to its circumference, then the radius of the circle is<br/>
Question 3 :
If the ratio of the radii of two circles is 3 : 5, then the ratio of their areas is<br/>
Question 4 :
If the ratio of the radii of two circles is 2:3 then the ratio of their circumferences is<br/>
Question 5 :
The area of an equilateral triangle with side {tex} ^{\prime} 2 a^{\prime} \mathrm{cm} {/tex} is {tex} \sqrt{3} a^{2} {/tex} sq {tex} \mathrm{cm} {/tex}
Question 6 :
If the base of a triangle is doubled and its height is halved, then the area of the resulting triangle<br/>
Question 8 :
If the perimeter of a square is 24 cm, then its area is<br/>
Question 9 :
The ratio of circumference to the area of a circle of radius r units is<br/>
Question 10 :
Area of a rectangle and the area of a circle are equal. If the dimensions of the rectangle are 14 cm × 11 cm, then the radius of the circle is<br/>
