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Deepak BoraNewbie

Asked: September 6, 2020In: CBSE, ICSE

23 spoons and 17 forks together cost Rs 1770, while 17 spoons and 23 forks together cost Rs 1830. Find the cost of a spoon and that of a fork.

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An Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE ...Read more

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Deepak BoraNewbie

Asked: September 6, 2020In: CBSE, ICSE

5 chairs and 4 tables together cost Rs5600, while 4 chairs and 3 tables together cost Rs 4340. Find the cost of a chair and that of a table.

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This is the Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE ...Read more

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Deepak BoraNewbie

Asked: September 2, 2020In: Competition, IIT

Limit at infinity

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https://drive.google.com/file/d/1EC9RY3aqgK4S1Haw7I6vhMBmHyNlat2_/view?usp=sharing

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Deepak BoraNewbie

Asked: August 31, 2020In: CBSE, Competition, ICSE, IIT

Argument of a Complex Number

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Why does the Principal Argument of any Complex Number lie between -π to π. ? Isn’t that the Equivalent of ...Read more

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

A cylindrical vessel with internal diameter 10 cm and height 10.5 cm is full of water. A solid cone of base diameter 7 cm and height 6 cm is completely immersed in water. Find the volume of water i] displaced out of the cylinder ii] left in the cylinder

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This is one of the important question from the cbse board exam because this question was asked in 2009 cbse ...Read more

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

A solid metallic sphere of diameter 28 cm is melted and recast into a number of smaller cones, each of diameter 4[2/3] cm and height 3 cm. Find the number of cones so formed.

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In the given problem given shape is sphere. To find answer of this question need to use sphere volume formula. ...Read more

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

A milk container is made of metal sheet in the shape of frustum of a cone whose volume is 1045937 cm³ . The radii of its lower and upper circular ends are 8 cm and 20 cm, respectively. Find the cost of metal sheet used in making the container at the rate of 1.40 per cm².

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This question was asked in 2010 cbse board exam. Question from RS Aggarwal book chapter volume and surface area of ...Read more

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23 spoons and 17 forks together cost Rs 1770, while 17 spoons and 23 forks together cost Rs 1830. Find the cost of a spoon and that of a fork.

5 chairs and 4 tables together cost Rs5600, while 4 chairs and 3 tables together cost Rs 4340. Find the cost of a chair and that of a table.

Limit at infinity

Argument of a Complex Number

A cylindrical vessel with internal diameter 10 cm and height 10.5 cm is full of water. A solid cone of base diameter 7 cm and height 6 cm is completely immersed in water. Find the volume of water i] displaced out of the cylinder ii] left in the cylinder

A solid metallic sphere of diameter 28 cm is melted and recast into a number of smaller cones, each of diameter 4[2/3] cm and height 3 cm. Find the number of cones so formed.

A milk container is made of metal sheet in the shape of frustum of a cone whose volume is 1045937 cm³ . The radii of its lower and upper circular ends are 8 cm and 20 cm, respectively. Find the cost of metal sheet used in making the container at the rate of 1.40 per cm².