Subject: Maths, asked on 4/2/18

## Find (i) The lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high.

Subject: Maths, asked on 3/2/18

## A spherical iron ball of volume 720cm3​ is immer​sed in a half filled rectangular tank of dimentions 20cmx12cmx14cm.Find the rise in water level.

Subject: Maths, asked on 3/2/18

## 17. The diameter of the moon is about 1/4 that of earth . Compare their volume and curved surface areas.

Subject: Maths, asked on 3/2/18

## Q.8. Curved surface area and circumference at the base of a solid right circular cylinder are 220 ${m}^{2}$ and 110 m respectively. Find its height and radius. [Ans. Height = 20 m, R = 17.5 m]

Subject: Maths, asked on 3/2/18

## The perimeter of one face of a cube is 40 cm. Find the sum of lengths of its edges.

Subject: Maths, asked on 2/2/18

## Solve this: No links please. 9) S.A. of sphere; r = 12 cm, is 5 times the C.S.A. of a cone of radius 11 cm. Find h and v of cone ?

Subject: Maths, asked on 1/2/18

## The area of the base of a right circular cylinder is 15400cm? and its volume is 92400cm?.Find the curved surface area.

Subject: Maths, asked on 29/1/18

## find the number of 4cm cubes which can we cut from a solid cube whose edge is 16cm

Subject: Maths, asked on 28/1/18

## A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in the interior. The radius of cylindrical wood is 3.5mm and the radius of the graphite is 0.5 mm. If the length of the pencil is 14 cm, then find the volume of the wood(in cm^3). Please answer this and don't send any links !

Subject: Maths, asked on 25/1/18

## the radius and the height of a cone are in the ratio 4:3, the volume of cone is 269 1/2. find its curve surface area

Subject: Maths, asked on 24/1/18

## Q. Some poor children use recycled paper to make - conical party caps with radius 7 cm and slant height 15 cm and sell it on a street stall. (a) How much would they earn profit on selling 50 caps? The selling price of cap is 50 paise per $c{m}^{2}$, while it costs Rs. 10 per 100 $c{m}^{2}$? (b) Which value is depicted by the children?

Subject: Maths, asked on 24/1/18

## And also, find which mathematical concept is used here. No links pls Q. A juice seller has 3 types of glasses of inner diameter 5cm to serve the customers. The height of the glasses is 10 cm. He decided to serve the customers in A type of glasses. The 3 types of glasses are: Type A glasses is with a plane bottom. Type B glass is with hemispherical raised bottom. Type C glass is with conical raised bottom of height 1.5 cm. (a) Find the volume of each type of glasses (take pi = 3.14) (b) By choosing a glass of type A, which value is depicted by juice seller

Subject: Maths, asked on 24/1/18

## .. no links pls.. Q. A juice seller has 3 types of glasses of inner diameter 5cm to serve the customers. The height of the glasses is 10 cm. He decided to serve the customers in A type of glasses. The 3 types of glasses are: Type A glasses is with a plane bottom. Type B glass is with hemispherical raised bottom. Type C glass is with conical raised bottom of height 1.5 cm. (a) Find the volume of each type of glasses (take pi = 3.14) (b) By choosing a glass of type A, which value is depicted by juice seller

Subject: Maths, asked on 23/1/18

## Please solve this question, it is urgent, and please do not send any other similar question. 14. A rectangular strip, 16 cm x 3.5 cm is rotated about the longer side. Find the whole surface of the solid so generated.

Subject: Maths, asked on 23/1/18

## Plz solve dis question urgent.and do not send any other similar question plz Q.13. Find the volume of a sphere whose surface area is 55.44$c{m}^{2}$.

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