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The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs. 18. Find the missing frequency f.
06
Oct
The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs. 18. Find the missing frequency f. The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs. 18. Find the missing frequency f. October 6, 2020 Category: Chapter [...]
Consider the following distribution of daily wages of 50 workers of a factory: Find the mean daily wages of the workers of the factory by using appropriate method.
06
Oct
Consider the following distribution of daily wages of 50 workers of a factory: Find the mean daily wages of the workers of the factory by using appropriate method. Consider the following distribution of daily wages of 50 workers of a factory: Find the mean daily wages of the workers of the factory by using appropriate [...]
The observer at O views closely spaced spots on a vertical wall through an angled glass slab as shown in figure. As seen by observer, the spots appear (1) shifted upward, such that distance between them
06
Oct
The observer at O views closely spaced spots on a vertical wall through an angled glass slab as shown in figure. As seen by observer, the spots appear (1) shifted upward, such that distance between them such that distance between them The observer at O views closely spaced spots on a vertical wall through an [...]
A small piece of wire bent into an L shape, with upright and horizontal portions of equal lengths, is placed with the horizontal portion along the axis of the concave mirror whose radius
06
Oct
A small piece of wire bent into an L shape, with upright and horizontal portions of equal lengths, is placed with the horizontal portion along the axis of the concave mirror whose radius A small piece of wire bent into an L shape is placed with the horizontal portion along the axis of the concave [...]
A convex mirror and a concave mirror of radius 10 cm each are placed 15 cm apart facing each other. A n object is placed midway between them. If the reflection first takes place in
06
Oct
A convex mirror and a concave mirror of radius 10 cm each are placed 15 cm apart facing each other. A n object is placed midway between them. If the reflection first takes place in A convex mirror and a concave mirror of radius 10 cm each are placed 15 cm apart facing each other. [...]
When an object is kept at a distance of 30 cm from a concave mirror, the image is formed at a distance of 10 cm. If the object is moved with a speed of 9 cm/s the speed with which the image moves is
06
Oct
When an object is kept at a distance of 30 cm from a concave mirror, the image is formed at a distance of 10 cm. If the object is moved with a speed of 9 cm/s the speed with which the image moves is the image is formed at a distance of 10 cm. If [...]
An object is placed at a distance of 25 cm from the pole of a convex mirror and a plane mirror is set at a distance 5 cm from convex mirror so that the virtual images formed by the two mirrors don not
06
Oct
An object is placed at a distance of 25 cm from the pole of a convex mirror and a plane mirror is set at a distance 5 cm from convex mirror so that the virtual images formed by the two mirrors don not An object is placed at a distance of 25 cm from the [...]
A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. Number of Plants 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-14 Number of houses 1, 2, 1, 5, 6, 2, 3 Which method did you use for finding the mean, and why?
06
Oct
A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. Number of Plants 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-14 Number of [...]
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A survey was conducted by a group of students as a part of their environment awareness programme ,
and why? ,
in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. Number of Plants 0-2 ,
An open metal bucket is in the shape of a frustum of a cone, mounted on a hollow cylindrical base made of the same metallic sheet. The diameter of the two circular ends of the bucket are 45 cm and 25 cm . the total vertical height of the bucket is 40 cm and that of the cylindrical base is 6 cm . Find the area of the metallic sheet used to make the bucket, where we do not like into account the handle of the bucket. Also, find the volume of water the bucket can hold, in litres.
06
Oct
An open metal bucket is in the shape of a frustum of a cone, mounted on a hollow cylindrical base made of the same metallic sheet. The diameter of the two circular ends of the bucket are 45 cm and 25 cm . the total vertical height of the bucket is 40 cm and that [...]
Hanumappa and his wife Gangamma are busy making Jaggery out of sugar-cane. They have processed the sugar cane juice to make the molasses which is poured into moulds of the shape shown in the figure. It will be cooled to solidify in this shape to be sent to the market. Each mould is in the shape of a frustum of a cone having the diameters of its two circular ends as 30cm and 35cm and the height of the mould is 14cm. If each cm^3 of molasses weighs about 1.2gm, find the weight of molasses that can be poured into each mould (Take π=22/7)
06
Oct
Hanumappa and his wife Gangamma are busy making Jaggery out of sugar-cane. They have processed the sugar cane juice to make the molasses which is poured into moulds of the shape shown in the figure. It will be cooled to solidify in this shape to be sent to the market. Each mould is in the [...]