Advertisements
Advertisements
प्रश्न
The diameter of the wheel of a cart is 1.05 m. How much distance will the cart cover in 1000 rotations of the wheel?
Advertisements
उत्तर
Circumference of the wheel = rd
= `22/7` × 1.05
= `22/7` × `105/100`
= `(22 × 15)/100`
= `330/100`
= 3.3 m
In 1000 rotations, the distance covered
= 3.3 m × 1000
= 3300 m
= 3.3 km
APPEARS IN
संबंधित प्रश्न
The radius of a circle is 7 cm. find the circumference of the circle.
A plot is in the form of rectangle ABCD having semi-circle on BC. If AB = 60m and BC = 28m, find the area of plot.
Find the length of the arc of a circle of diameter 42 cm which subtends an angle of 60° at the centre.
In making 1000 revolutions, a wheel covers 88 km. The diameter of the wheel is
A canvas tent is in the shape of a cylinder surmounted by a conical roof. The common diameter of the cone and the cylinder is 14 m. The height of the cylindrical part is 8 m and the height of the conical roof is 4 m. Find the area of the canvas used to make the tent.
Find the total surface area and volume of a hemisphere whose radius is 10 cm.
The diameter of a wheel is 1.4m. How many revolutions does make in moving a distance of 2.2km?
A 4.2m wide road surrounds a circular plot whose circumference is 176m. Find the cost of paving the road at Rs.75per m2.
The numerical value of the area of a circle is greater than the numerical value of its circumference. Is this statement true? Why?
Find the total cost of wooden fencing around a circular garden of diameter 28 m, if 1 m of fencing costs ₹ 300.
