The diameter of a roller is 84cm wide and 1.5m long. If it takes 100 revolutions to leave a playground. Find the cost of levelling a ground at the rate of rs. 50 per second
The external length.breadth and height of a closed rectangular wooden box are 18cm, 10cm, and 6cm respectively and thickness of wood is 1by2. When the box is empty , it weighs 15kg and when filled with sand it weighs 100kk. Find the weight of one cubic cm of wood and cubic cm of sand.
The two parallel sides of a field in a shape of a quadrilateral measure 80m and 20m. This side meetsa third side at right angles. tHE FOURTH SIDE IS 100M LONG. If it cost 50 paise to plough 1M sq of the field. find the cost of ploughing the field.
Find the area of the quadrilateralABCD in which the side AB = 3cm, the diagonal AC = 4cm, AB is perpendicular to AC and the triangle ADC is equilateral. Also find its perimeter.
The length of a diagonal of a quadrilateral is 24cm.The lengths of the perpendiculars from the opposite vertices on this diagonal are 8.4cm and 7.6cm. Find the area of quadrilateral. Also find the ratio of the areas of the two triangle into which the diagonl divides the quadrilateral.
A wooden bookshelf has external dimensions as follows:Height=110cm, Depth=25cm,Breadth=85cm.The thickness of the plank is 5 cm everywhere.The external faces are to be polished and the inner faces are to be painted.If the rate of polishing is 20 paise per cm^2 and the rate of painting is 10 paise per cm^2.Find the total expenses required for polishing and painting the surface ofthe bookshelf?
a cubical container has a capacity to hold 40 small boxes.If all the dimensions of the container are doubled find the number of small boxes of same size that it can hold
plzzz answer this question very fast
Q1. A corn cob, shaped somewhat like a cone, has radius of its broadest and as 2.1cm and length as 20cm . If each 1cm2 of the surface of the cob carries an average of four grains, how many grains you would find in the entire cob.
Let,
Time required emptying the reservoir
So,
what does A ,V,T stand for?
is there any rule in CBSE that if our answer is wrong then also we should get some marks for writin the formulae correct and figures.
three cubes each of side 5cm are joinned end to end . find the surface area of the reasulting cuboid??????
when do we exactluy use latersurface area and total surfase area
The diameter of a roller is 84cm wide and 1.5m long. If it takes 100 revolutions to leave a playground. Find the cost of levelling a ground at the rate of rs. 50 per second
The external length.breadth and height of a closed rectangular wooden box are 18cm, 10cm, and 6cm respectively and thickness of wood is 1by2. When the box is empty , it weighs 15kg and when filled with sand it weighs 100kk. Find the weight of one cubic cm of wood and cubic cm of sand.
The two parallel sides of a field in a shape of a quadrilateral measure 80m and 20m. This side meetsa third side at right angles. tHE FOURTH SIDE IS 100M LONG. If it cost 50 paise to plough 1M sq of the field. find the cost of ploughing the field.
Find the area of the quadrilateralABCD in which the side AB = 3cm, the diagonal AC = 4cm, AB is perpendicular to AC and the triangle ADC is equilateral. Also find its perimeter.
The length of a diagonal of a quadrilateral is 24cm.The lengths of the perpendiculars from the opposite vertices on this diagonal are 8.4cm and 7.6cm. Find the area of quadrilateral. Also find the ratio of the areas of the two triangle into which the diagonl divides the quadrilateral.
A wooden bookshelf has external dimensions as follows:Height=110cm, Depth=25cm,Breadth=85cm.The thickness of the plank is 5 cm everywhere.The external faces are to be polished and the inner faces are to be painted.If the rate of polishing is 20 paise per cm^2 and the rate of painting is 10 paise per cm^2.Find the total expenses required for polishing and painting the surface ofthe bookshelf?
a cubical container has a capacity to hold 40 small boxes.If all the dimensions of the container are doubled find the number of small boxes of same size that it can hold
plzzz answer this question very fast
Q1. A corn cob, shaped somewhat like a cone, has radius of its broadest and as 2.1cm and length as 20cm . If each 1cm2 of the surface of the cob carries an average of four grains, how many grains you would find in the entire cob.
Let,
So,
is there any rule in CBSE that if our answer is wrong then also we should get some marks for writin the formulae correct and figures.
three cubes each of side 5cm are joinned end to end . find the surface area of the reasulting cuboid??????
when do we exactluy use latersurface area and total surfase area