The sum of the digits of a two-digit number is 11. The number got by interchanging the digits is 27. more than the original number. The number is :

The coordinates of centre of a circle are (4,3) and radius is 5. (x,y) is a point on the circle. The equation of the circle is :

The coordinates of the centre of a circle are (4,2) and its radius is 5. Which among the foolowing is a point on the circle ?

A right circular metal cone(solid) is 8 cm high and the radius is 2cm. It is melted and recast into a sphere . What is the radius of the sphere ?

What is the length of the tangent to the circle x²+y²=9 from the point (4,0)

A circle is drawn with centre O and radius 2 centimetres. The area of the unshaded region is

The equation of the circle with centre (8, 5) and radius 6 is :

A semi-circular sector of radius 16 centimeters is rolled to make a cone What is the bise Radius of the cone?

In the figure O is the centre of the circle and AB is a diameter. angle ∠BOC = 90° . The measure ∠OAC is:

The coordinates of the centre of a circle are (2,5) and the centre passes through (8,13). The area of the circle in sq. units is :

What is the circumference of a circle if the radius is 7 m?

Find the area of the circle if the radius is 3.14 cm.

Find the perimeter of a sector with central angle 90 and radius 14cm

Find the length of a sector with central angle 90 and radius 14cm

Find the perimeter of a sector with central angle 180 and radius 7cm

Find the length of a sector with central angle 180 and radius 7cm

Number of sectors in a circle are ____

Find the area of the sector if the radius is 5 cm and with an angle of 50°.

The area of a sector of a circle is 88 cm2 and the angle of the sector is 120°. Find the radius of the circle.

The area of a sector of a circle is 66 cm² and the angle of the sector is 60°. Find the radius of the circle.

10 cm വ്യാസമുള്ള വൃത്തത്തിന്റെ ചുറ്റളവ് ?

ഒരു കാറിൻറെ ചക്രത്തിന്റെ വ്യാസം 77 സെൻറീമീറ്റർ ആണ്. 1000 പ്രാവശ്യം കറങ്ങുമ്പോൾ കാർ എത്ര മീറ്റർ ദൂരം നീങ്ങിയിരിക്കും?

ഗോളം : 4∏r² : : ________ : 3∏r²

The radii of two circles are 10 cm and 24 cm. The radius of a circle whose area is the sum of the area of these two circles is

The radii of two circles are 10 cm and 24 cm. The radius of a circle whose area is the sum of the area of these two circles is

The ratio between the area of two circles is 4 : 7. What will be the ratio of their radii?

The radii of two circles are 5cm and 12cm. The area of a third circle is equal to the sum of the area of the two circles. The radius of the third circle is :

The radius of circle A is twice that of circle B and the radius of circle B is twice that of circle C. Their area will be in the ratio

The area of a circle is increased by 22 cm its radius is increased by 1 cm. The original radius of the circle is

The area of the ring between two concentric circles, whose circumference are 88 cm and 132 cm, is :

The area of a sector of a circle of radius 5 cm, formed by an arc of length 3.5 cm is :

The area of a circle is 154 cm². What is the approximate perimeter of the circle?

A thread of length 528cm is used to form a circle. What will be the diameter of the circle formed?

A copper wire is bent in the form of square with an area of 121 cm². If the same wire is bent in the shape of a circle the radius of the circle is ?

Find the perimeter of the circle with radius 28 cm

Find the diameter of the circle with area 154 cm²

Find the radius of the circle with perimeter 44cm

Find the perimeter of the circle whose diameter is 14cm

Find the area of a circle whose diameter is 14 cm

Find the perimeter of the circle whose radius is 7 cm

In the figure, O and P are the centres of two circles. The measure of <ACM is:

What is the angle between the hands of the clock in the figure?

The coordinates of centre of a circle are (4, 3) and radius is 5. (x, y) is a point on the circle. The equation of the circle is :

In a circle a chord, 3 centimetres away from the centre is 8 centimetres long. The length of the diameter of the circle is :

In the figure the radius of the circle is 1 centimetre. The vertices of the square are points on the circle. The area of the unshaded region is:

In the figure a circle is fixed exactly inside the square. Without looking at the figure, if we put a dot the probability of the dot being inside the circle is :

The length of radius of the circle in the figure