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Deepak BoraNewbie

Asked: August 6, 2020In: CBSE, ICSE

Find the sum of all two-digit whole numbers divisible by 3.

Here you have to find (i) the sum of two-digit whole numbers (ii) which is divisible by 3 An Important question based on ...Read more

Deepak BoraNewbie

Asked: August 6, 2020In: CBSE

Which term of the AP 15 ,11, 7,…..is (-13)? Also find the sum [15+11+7+…..+(-13)]

In this Question the last term of AP is given and you have to find which term of the AP ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A toy is in the form of a cylinder with hemispherical ends. If the whole length of the toy is 90 cm and its diameter is 42 cm, then find the cost of painting the toy at the rate of 70 paise per sq cm.

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In the given problem a toy is in the form of a cylinder with hemispherical ends for that to find ...Read more

Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A vessel is in the form of a hemispherical bowl surmounted by a hollow cylinder. The diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5 cm. Find its capacity

This question from= RS Aggarwal Chapter Mensuration Volume and surface Volume and Surface Area of Solid Exercise 17A Page number ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A toy is in the shape of a cone mounted on a hemisphere of same base radius. If the volume of the toy is 231 cm³ and its diameter is 7 cm, then find the height of the toy

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This is the important question that question was asked in 2012 cbse board exam. In this question a toy is ...Read more

Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius on its circular face. The total height of the toy is 15.5 cm. Find the total surface area of the toy

In the given problem toy is in the form of a cone so to find total surface area of toy ...Read more

Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A solid is in the shape of a cone surmounted on a hemisphere, the radius of each of them being 3.5 cm and the total height of the solid is 9.5 cm. Find the volume of the solid.

This is the important question from the cbse board exam point of view because this question was asked in ‘cbse ...Read more

Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A rocket is in the form of a circular cylinder closed at the lower end and a cone of the same radius is attached to the top. The radius of the cylinder is 2.5 m, its height is 21 m and the slant height of the cone is 8 m. Calculate the total surface area of the rocket.

In this problem they give rocket structure and rocket structure is the combination of cone and cylinder structure. This question ...Read more

Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A circus tent is cylindrical to a height of 3 m and conical above it. If its base radius is 52.5 m and the slant height of the conical portion is 53 m, find the area of canvas needed to make the tent.

This question based cone and cylinder surface area. To find answer we need cone and cylinder surface area formulas. This ...Read more

Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A tent is in the shape of a right circular cylinder up to a height of 3 m and conical above it. The total height of the tent is 13.5 m and the radius of its base is 14 m. Find the cost of cloth required to make the tent at the rate of Rs. 80 per square meter.

This is the important question for cbse/ncert board exam in this question position of the cylinder and cone in the ...Read more

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