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Twenty seven solid iron spheres,each redius r & surface area S are melted to form a sphere with surface area S'.find the redius r' of the new sphere

Posted by Ramesh Bind 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Evaluate 1/√2+1+1/√3+√2+1/√4+√3+......+1/√9+√8

Posted by Ishika Garg 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The total surface area of a cube is 294cm sq. .find it's volume.

Posted by Meenal Soni 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Aman Agarwal 7 years, 10 months ago

T.S.A =6a2 294=6a2 a2 = 294/6 a2= 49 a=7 Volume of cube =a3 (7)3 343

1Thank You

ANSWER

Angle Krishna kijiye

Posted by Manish Pandey 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Write the non terminating numbers which came in between 5/7 and7/8

Posted by Himani Thakur 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Shalu Gupta 7 years, 10 months ago

0.724285

0Thank You

ANSWER

show that the diagonal of a square are equal and bisect each other at right angles

Posted by Shyam Gupta 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Rim and sim have same weight. If each of them gain weight by 3 kg,then how will their new weight be compared..

Posted by Khushi Tyagi 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Show that the diagonal of square are equal and bisect each other at right angle

Posted by Shyam Gupta 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Sho

Posted by Shyam Gupta 7 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Sahil Singh 7 years, 10 months ago

Hlo

0Thank You

Satya Prakash Singh Singh 7 years, 10 months ago

hii nandani

2Thank You

ANSWER

What is consecutive zeros

Posted by Annu Duhan 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

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What is the diagonal of cuboid ?

Posted by Anshika Khare 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Abhishek Kumar 7 years, 10 months ago

It is wrong to say that cuboid has diagonal. It has only l/ b/h....

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ANSWER

What is consecutive zeros

Posted by Annu Duhan 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Ten rational number between 4/5and6/5

Posted by Naveen Dhruve 7 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Abhishek Kumar 7 years, 10 months ago

1) multiply the numerator and denominator of 10 on both fraction such as given- 3/5*10/10 and 6/5*10/10 than we find 30/50 and 60/50 than find between ten no. Such as- 31/50,32/50,33/50,35/50 and so on

1Thank You

Rohit Ranjan Singh 7 years, 10 months ago

Multiply both numerator and denominator with hundred

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Vampire Dukedom 7 years, 10 months ago

Sum up both and divide it by 2

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ANSWER

Expand - (998)square

Posted by Divyansh Srivastava 7 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Ruchi Mishra 7 years, 10 months ago

100sq-2sq 10000-4=9996

1Thank You

Khushi Singh 7 years, 10 months ago

(1000-2)^2 kar lo

1Thank You

ANSWER

How may lines in circle?

Posted by Hitesh Tehlan 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Vampire Dukedom 7 years, 10 months ago

Circle is a group of points joint together. Hence circle has many lines

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ANSWER

If x2 +y2 =29 and xy=10 then what is the value of x3-y3

Posted by Piya Jindal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Piya Jindal 7 years, 10 months ago

No the answer is 117

1Thank You

Vampire Dukedom 7 years, 10 months ago

It's x+y I think. If so then the answer is. 970

0Thank You

ANSWER

Vigigkvig

Posted by Himanshu Parmar 7 years, 10 months ago

CBSE > Class 09 > Mathematics

19 answers

Satya Prakash Singh Singh 7 years, 10 months ago

0Thank You

Satya Prakash Singh Singh 7 years, 10 months ago

are you telling me?

0Thank You

Arohi Chaudhary 7 years, 10 months ago

Are you serious??

0Thank You

Mahesh Tadav 7 years, 10 months ago

What is your real name satya

0Thank You

Satya Prakash Singh Singh 7 years, 10 months ago

actually i am using my father id iam a girl

0Thank You

Mahesh Tadav 7 years, 10 months ago

Aap Sab offline ho Gaye kya??????????????

0Thank You

Arohi Chaudhary 7 years, 10 months ago

???

0Thank You

Arohi Chaudhary 7 years, 10 months ago

Satya you are so humerus

0Thank You

Satya Prakash Singh Singh 7 years, 10 months ago

0Thank You

Satya Prakash Singh Singh 7 years, 10 months ago

answer - vigigkig

0Thank You

Arohi Chaudhary 7 years, 10 months ago

Hi Satya you are welcome

0Thank You

Satya Prakash Singh Singh 7 years, 10 months ago

i am new here

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Mahesh Tadav 7 years, 10 months ago

????

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Arohi Chaudhary 7 years, 10 months ago

Yes you are correct, Prasant

0Thank You

Satya Prakash Singh Singh 7 years, 10 months ago

????????????

1Thank You

Mahesh Tadav 7 years, 10 months ago

Kya questions hai iska ans toh kahi par nahi hai Bhai ???

0Thank You

Nikita Joshi 7 years, 10 months ago

?????

0Thank You

Khushi Singh 7 years, 10 months ago

,,,!!???

0Thank You

Arohi Chaudhary 7 years, 10 months ago

1Thank You

ANSWER

4+1

Posted by Rishabh Gautam 7 years, 10 months ago

CBSE > Class 09 > Mathematics

17 answers

Arohi Chaudhary 7 years, 10 months ago

Ur welcome dear

0Thank You

Nikita Joshi 7 years, 10 months ago

0Thank You

Mahesh Tadav 7 years, 10 months ago

Thanks Arohi

0Thank You

Arohi Chaudhary 7 years, 10 months ago

Studying English

1Thank You

Arohi Chaudhary 7 years, 10 months ago

All the best for your exam, Prasant

0Thank You

Mahesh Tadav 7 years, 10 months ago

What are you doing

0Thank You

Arohi Chaudhary 7 years, 10 months ago

Same

1Thank You

Mahesh Tadav 7 years, 10 months ago

Fine and u

0Thank You

Arohi Chaudhary 7 years, 10 months ago

How are you dear friend??

0Thank You

Mahesh Tadav 7 years, 10 months ago

Hi Arohi

0Thank You

Arohi Chaudhary 7 years, 10 months ago

Hi Prashant

0Thank You

Arohi Chaudhary 7 years, 10 months ago

It's 5....

0Thank You

Arohi Chaudhary 7 years, 10 months ago

Very difficult question

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Mahesh Tadav 7 years, 10 months ago

Aap ko itna nahi aata kya bhai

0Thank You

Shrish Kashyap 7 years, 10 months ago

0Thank You

Sneha Dhake 7 years, 10 months ago

0Thank You

Rishabh Gautam 7 years, 10 months ago

0Thank You

ANSWER

A circle of diameter 30cm and chord of 24cm. What will be the distance from the chord to the centre

Posted by Kishore Kumar 7 years, 10 months ago

CBSE > Class 09 > Mathematics

6 answers

Mahesh Tadav 7 years, 10 months ago

Mai s.st 23 ko paper hai mera s.st ka

0Thank You

Khushi Singh 7 years, 10 months ago

Science padh rhi hu..aap

0Thank You

Mahesh Tadav 7 years, 10 months ago

Kya kar rahe hai aap

0Thank You

Khushi Singh 7 years, 10 months ago

Hii prashant

0Thank You

Mahesh Tadav 7 years, 10 months ago

Hi khushi

0Thank You

Khushi Singh 7 years, 10 months ago

9 cm

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Evaluate √13+4√10-√7-2√10

Posted by Chitra Verma 7 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Shrish Kashyap 7 years, 10 months ago

hii

0Thank You

Mahesh Tadav 7 years, 10 months ago

Hiii

0Thank You

Shrish Kashyap 7 years, 10 months ago

7.2843...

1Thank You

ANSWER

Out of 25 students participating in a quiz competition 10 are girls. Find the probability that the winner is a boy

Posted by Ashish Agarwal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

6 answers

Vampire Dukedom 7 years, 10 months ago

It's 15/25

1Thank You

Shrish Kashyap 7 years, 10 months ago

how my answer is wrong

0Thank You

Alifiya Stw 7 years, 10 months ago

3/5 is correct answer Shriya ur answer is incorrect

0Thank You

Kashish Prajapati 7 years, 10 months ago

3/5

1Thank You

Mahesh Tadav 7 years, 10 months ago

Ya shriya is right

0Thank You

Shrish Kashyap 7 years, 10 months ago

2/5

0Thank You

ANSWER

If surface area of a sphere is 616cm square find its radius

Posted by Ashish Agarwal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Khushi Singh 7 years, 10 months ago

7 cm

1Thank You

ANSWER

Find the angle whose supplement is six times it complement

Posted by Dikshant Minhas 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Shipra N 7 years, 10 months ago

74 degree

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ANSWER

A die is drop at random on the rectangular region of sides 3m×4m. What is the probability that it will land inside the circle with diameter 1 m

Posted by Ashish Agarwal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Rationalize the denominator of 1/√5

Posted by Pawan Misal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Abhijeet Singh 7 years, 10 months ago

√5/5

2Thank You

Ritik Raj 7 years, 10 months ago

1/√5×√5/√5=1×√5/√5×√5=√5/5

0Thank You

Mahesh Tadav 7 years, 10 months ago

So simple question bhai

3Thank You

ANSWER

The mean of 40 observations was 200. It was detected by rechecking that the value of 65 was wrongly copied as 25 for computation of mean. Find down corrected mean

Posted by Ashish Agarwal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What kind of will come in exam

Posted by Sneha Abc 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Alifiya Stw 7 years, 10 months ago

Of what

0Thank You

ANSWER

If two intersecting chords of a circle make equal angles with the diameter passing through there points of intersection; prove that the chords are equal

Posted by Ashish Agarwal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find five rational numbers between 3/5and4/5

Posted by Abhishek Shukla 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Yashwanti Prajapati 7 years, 10 months ago

19/30 , 20/30 , 21/30 , 22/30, 23/30

0Thank You

ANSWER

If the surface area and volume of a Cylinder is equal,find the diameter of the Cylinder

Posted by Ashish Agarwal 7 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

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