(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Mathematics

Find the area and perimeter of the circles with following: Radius = 2.8cm

Find the area and perimeter of the circles with following: Radius = 10.5cm

Find the area and perimeter of the circles with following: Diameter = 77cm

Find the area and perimeter of the circles with following: Diameter = 35cm

Find the area and perimeter of the following semicircles: Radius = 1.4cm

Find the area and perimeter of the following semicircles: Diameter = 7cm

Find the area and perimeter of the following semicircles: Diameter = 5.6cm

Find the area of a circular field that has a circumference of 396m.

Find the circumference of a circle whose area is 81πcm².

The diameter of a wheel is 1.4m. How many revolutions does make in moving a distance of 2.2km?

The circumference of a circle exceeds its diameter by 450 cm. Find the area of the circle.

The circumference of a circle is numerically equal to its area. Find the area and circumference of the circle.

The sum of the circumference and diameter of a circle is 176 cm. Find the area of the circle.

Find the radius and area of the circle which has circumference equal to the sum of circumferences of the two circles of radii 3 cm and 4 cm respectively.

The diameter of two circles are 28 cm and 24 cm. Find the circumference of the circle having its area equal to sum of the areas of the two circles.

The wheel of a car makes 10 revolutions per second. If its diameter is 70cm, find the speed of the car in km per hr.

The speed of a car is 66km per hour. If each wheel of the car is 140cm in diameter, find the number if revolution made by each wheel per minute.

A cart wheel makes 9 revolutions per second. If the diameter of the wheel is 42cm, find its speed in km per hour. (Answer correct to the nearest km)

A bucket is raised from a well by means of a rope wound round a wheel of diameter 35 cm. If the bucket ascends in 2 minutes with a uniform speed of 1.1 m per sec, calculate the number of complete revolutions the wheel makes in raising the bucket.

The circumference o a garden roller is 280cm. How many revolutions does it make in moving 490m?