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Vijaya Kowstubha T
Subject: Maths
, asked on 1/3/18
pls answer 29th question
Answer
2
Somya .s. Rath
Subject: Maths
, asked on 28/2/18
A conical tent for 11 persons. Each person takes 4sq.m of space on ground and 20 cubic metres of air to breathe.Find radius and height of conical tent
Answer
3
Akilesh Nairy
Subject: Maths
, asked on 27/2/18
13 please solve it
Q.(13) The ratio of volumes of two cones is 4 : 5 and the ratio of the radii of their bases is 2 : 3. Find the ratio of their vertical heights.
Answer
4
Joyy Goswami
Subject: Maths
, asked on 25/2/18
If radius of a sphere is equal to radius of cylinder and the height of sphere is equal to height of cylinder. Find the ratio of their TSA.
Answer
4
Sahil.....
Subject: Maths
, asked on 24/2/18
1st question pls
Q.1. Find the surface area of a sphere of radius 14 cm.
Answer
1
Pranav Jajoo
Subject: Maths
, asked on 23/2/18
Pls fast .. n pls no.links:
30. Student A stated the formula for the volume of con as V=
$\frac{1}{3}\left({\mathrm{\pi l}}^{2}\mathrm{h}\right)-\frac{{\displaystyle 1}}{{\displaystyle 3}}{\mathrm{\pi lh}}^{3}$
and the student B as
$V=\frac{1}{3}{\mathrm{\pi r}}^{2}\mathrm{h}$
(a) Are the formulae started by A and B true ? If yes, why?
(b) By starting formula different than as usual which of the following values is depicted.
(i) Truth value
(ii) Social value.
(iii) Respect for other views
(iv) Equality.
Answer
2
Prajna
Subject: Maths
, asked on 22/2/18
find the longest pole which can be placed in a cuboidal box which is 15m long 12m wide and 4m high
Answer
2
Pranav Jajoo
Subject: Maths
, asked on 18/2/18
It cost 3300rs to paint the inner curved surface of a 10m feep well . If the cost of painting is the rate of 30rs per sq.m ...find 1. Inner curved surface area 2. Daimeter of the well 3. Capacity of the well
Answer
1
Junayd. Zya
Subject: Maths
, asked on 18/2/18
find the volume of right circular cone whose diameter is 12 cm and height is 7 cm.
Answer
2
Dhruv Malhotra
Subject: Maths
, asked on 16/2/18
Why ans is 0.25 when we divide 1.75 with 7.
Answer
1
Aastha Hitendra Patil
Subject: Maths
, asked on 15/2/18
A cardboard sheet of rectangular shape 48m by 36m. From each corner square is cutt off so as to make open box. If side of square is 8m then find volume and LSA of box
Answer
3
Reya Sequeira
Subject: Maths
, asked on 15/2/18
a sector of a circle of radius 9cm has central angle of 120. its is rolled up so that the bounding radii are joined together to form a cone. find its slant height
Answer
1
Adyasha Soumya Routray
Subject: Maths
, asked on 15/2/18
Solve this :
$13)\mathrm{The}\mathrm{volume}\mathrm{of}\mathrm{a}\mathrm{sphere}\mathrm{is}905\frac{1}{7}{\mathrm{cm}}^{3}.\mathrm{Then}\mathrm{find}\mathrm{its}\mathrm{diameter}.$
Answer
1
Serena Singh
Subject: Maths
, asked on 14/2/18
Q. Roof top of a house in a village is rectangular shaped of dimensions 22 m by 20 m. The owner of a house has connected drain of roof top with a cylindrical drain of a roof top with a cylindrical vessel on ground through a circular pipe so that the whole rain water collected on the roof top can be stored in a cylindrical vessel is 2 m . A certain day recorded rainfall 5 cm.
(a) Find the height of water filled in the cylindrical tank.
(b) Find the volume of water filled in the cylindrical tank.
(c) Which moral value depicted in the problem ? ( use
$\pi $
=
$\frac{22}{7}$
)
Answer
1
Shreyas
Subject: Maths
, asked on 14/2/18
Ajay has built a cubical water tank in his house. The top of the water tank is covered with lid. he wants to cover the inner surface of the tank including the lid with square tiles of side 25 cm. If each inner edge of the water tank is 2 m long and tiles costs rs. 360 per dozen. then find the total amount required for tiles.
Answer
1
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Q.(13) The ratio of volumes of two cones is 4 : 5 and the ratio of the radii of their bases is 2 : 3. Find the ratio of their vertical heights.

Q.1. Find the surface area of a sphere of radius 14 cm.

30. Student A stated the formula for the volume of con as V=$\frac{1}{3}\left({\mathrm{\pi l}}^{2}\mathrm{h}\right)-\frac{{\displaystyle 1}}{{\displaystyle 3}}{\mathrm{\pi lh}}^{3}$ and the student B as $V=\frac{1}{3}{\mathrm{\pi r}}^{2}\mathrm{h}$

(a) Are the formulae started by A and B true ? If yes, why?

(b) By starting formula different than as usual which of the following values is depicted.

(i) Truth value

(ii) Social value.

(iii) Respect for other views

(iv) Equality.

Solve this :$13)\mathrm{The}\mathrm{volume}\mathrm{of}\mathrm{a}\mathrm{sphere}\mathrm{is}905\frac{1}{7}{\mathrm{cm}}^{3}.\mathrm{Then}\mathrm{find}\mathrm{its}\mathrm{diameter}.$

(a) Find the height of water filled in the cylindrical tank.

(b) Find the volume of water filled in the cylindrical tank.

(c) Which moral value depicted in the problem ? ( use $\pi $ = $\frac{22}{7}$ )