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A cone is 8.4cm high and the radius of its base is 2.1cm. It is melted and recast into a sphere. Find the radius of sphere.

Posted by Shalu Gupta 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find thevalue of k,for which the polynomial x×x-3x×x+3x+k has3 as its zero

Posted by Ritesh Sharma 8 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Aman Pandey 8 years, 1 month ago

K=9

0Thank You

Pradeep Kumar 8 years, 1 month ago

Gchn

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ANSWER

ABC is a right angle ∆ ,AD and CE are the bisectors of <A and <B if B=90 then find <AOC

Posted by Deepansh Bhargava 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Draw the graph x-y=2

Posted by Goutam Singh 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Hello friends

Posted by Tanvi Singh 8 years, 1 month ago

CBSE > Class 09 > Mathematics

3 answers

Tanvi Singh 8 years, 1 month ago

Nothing

0Thank You

Diksha Rathour 8 years, 1 month ago

What are you doing

0Thank You

Diksha Rathour 8 years, 1 month ago

Hii

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ANSWER

Composite number

Posted by Raushani Kumari 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

1+ underroot9.5

Posted by Ruchi Narwara 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Lovish Saharan 8 years, 1 month ago

1 + underroot 9.5 = 7.06

1Thank You

ANSWER

Find "K" if (x+y)cube-(x-y)cube-6y(x square-y square)=ky square

Posted by Ashmit Gupta 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the cost of digging a cuboidal pit 8m long,6m broad and 3 m wide at the rate of Reaction 30

Posted by Aman Athiya 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Shalu Gupta 8 years, 1 month ago

volume of cobiodpit - lbh -144cubiv meter cost of digging - 144 multiply by Rs30 -Rs4320

1Thank You

ANSWER

In bracket 3 minus under root 3 ka whole square

Posted by Amanjeet Singh 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

In the given figure the radius of circle is 3cm. Find the perimeter of triangle ABC

Posted by Bhagyashree Haitapur 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

(64)/(25)_3/2

Posted by Sanskruti Bharambe 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find 5 rational number between 28 and 32

Posted by Kushagra Dubey 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Kashika Priyali 8 years, 1 month ago

168/6 ...169/6....186/6......192/6....170/6

1Thank You

ANSWER

the team scored in matches 17, 2 ,7 27,15,34,87,12,13,90,87

Posted by Chahat Vaswani 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Power House 8 years, 1 month ago

So what to do

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ANSWER

Facorise

Posted by Devanand Chaturvedi 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

5nsquare/nsquare+5nsquare/2 find 20th term

Posted by Adithya S 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Posted by Adithya S 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

E and F are mid point of equal side ab ac of triangle abc prove bf equal ce

Posted by Anant Raj 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If the diagonals of a parallelogram are equal then show that it is a rectangle

Posted by Nurus Saba 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The csa of a cylinder is 176cm sq snd its area of base is 38.5 cm sq Find volume of cylinder

Posted by Karan Gandhi 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

In triangle ABC, P and Q ARE RESPECTIVELY THE MID POINTS OF AB AND BC AND R IS THE MID Point OF AP. PROVE THAT 1) AR(TRIANGLE PBQ) = AR(TRIANGLE ARC) 2)AR (PRQ) =1/2AR(ARC) 3)AR (RQC) =3/8 (AR TRIANGLE ABC)

Posted by Shivank Johari 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the ratio of total surface area of a sphere and a solid hemisphere of same radius

Posted by Khushboo Karsh 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Khushi Singh 8 years, 1 month ago

4:3

0Thank You

ANSWER

find the remainder when x×x×x+3x+1 in divided

Posted by Kushagra Dwivedi 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Articles are bought at ₹45per dozen and sold at ₹85per score. Find the gain or loss percent

Posted by Kuldip Singh 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Khushi Singh 8 years, 1 month ago

13 1/3%

0Thank You

ANSWER

A die is drop on the rectangular region of side 3m* 2m. What is the probability that it will land inside the circle with diameter 1m ?

Posted by Narinder Singh 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Khushi Singh 8 years, 1 month ago

π/24

0Thank You

ANSWER

if the consecutive Cass marks are 52 and 57 find class limits

Posted by Yashdeep Yadav 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Yashdeep Yadav 8 years, 1 month ago

class limits are 54.5

0Thank You

ANSWER

Find the value of X and Y, if two ordered pairs (x-3 ,6) and (4, x +y) are equal

Posted by Anshul Dadwal 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Every rational number is a whole number

Posted by Sahil Yadav 8 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Anwesh Anupam 8 years, 1 month ago

Yes

0Thank You

Vaibhav Jaiswal 8 years, 1 month ago

2Thank You

ANSWER

Two cubes ,each of volume 512 cm² are joined end to end . find the surface area of the resulting cuboid .

Posted by Arghadeep Saha 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Solve for x if 3^2x+4 +1 = 2× 3^x+2

Posted by Nameeta Chandel 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

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