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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 8 years, 1 month 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 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Aman Agarwal 8 years, 1 month 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 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Shalu Gupta 8 years, 1 month 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 8 years, 1 month 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 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Sho

Posted by Shyam Gupta 8 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Sahil Singh 8 years, 1 month ago

Hlo

0Thank You

Satya Prakash Singh Singh 8 years, 1 month ago

hii nandani

2Thank You

ANSWER

What is consecutive zeros

Posted by Annu Duhan 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

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What is the diagonal of cuboid ?

Posted by Anshika Khare 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Abhishek Kumar 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Ten rational number between 4/5and6/5

Posted by Naveen Dhruve 8 years, 1 month ago

CBSE > Class 09 > Mathematics

3 answers

Abhishek Kumar 8 years, 1 month 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 8 years, 1 month ago

Multiply both numerator and denominator with hundred

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Vampire Dukedom 8 years, 1 month ago

Sum up both and divide it by 2

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ANSWER

Expand - (998)square

Posted by Divyansh Srivastava 8 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Ruchi Mishra 8 years, 1 month ago

100sq-2sq 10000-4=9996

1Thank You

Khushi Singh 8 years, 1 month ago

(1000-2)^2 kar lo

1Thank You

ANSWER

How may lines in circle?

Posted by Hitesh Tehlan 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Vampire Dukedom 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Piya Jindal 8 years, 1 month ago

No the answer is 117

1Thank You

Vampire Dukedom 8 years, 1 month ago

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

0Thank You

ANSWER

Vigigkvig

Posted by Himanshu Parmar 8 years, 1 month ago

CBSE > Class 09 > Mathematics

19 answers

Satya Prakash Singh Singh 8 years, 1 month ago

0Thank You

Satya Prakash Singh Singh 8 years, 1 month ago

are you telling me?

0Thank You

Arohi Chaudhary 8 years, 1 month ago

Are you serious??

0Thank You

Mahesh Tadav 8 years, 1 month ago

What is your real name satya

0Thank You

Satya Prakash Singh Singh 8 years, 1 month ago

actually i am using my father id iam a girl

0Thank You

Mahesh Tadav 8 years, 1 month ago

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

0Thank You

Arohi Chaudhary 8 years, 1 month ago

???

0Thank You

Arohi Chaudhary 8 years, 1 month ago

Satya you are so humerus

0Thank You

Satya Prakash Singh Singh 8 years, 1 month ago

0Thank You

Satya Prakash Singh Singh 8 years, 1 month ago

answer - vigigkig

0Thank You

Arohi Chaudhary 8 years, 1 month ago

Hi Satya you are welcome

0Thank You

Satya Prakash Singh Singh 8 years, 1 month ago

i am new here

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Mahesh Tadav 8 years, 1 month ago

????

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Arohi Chaudhary 8 years, 1 month ago

Yes you are correct, Prasant

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Satya Prakash Singh Singh 8 years, 1 month ago

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

1Thank You

Mahesh Tadav 8 years, 1 month ago

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

0Thank You

Nikita Joshi 8 years, 1 month ago

?????

0Thank You

Khushi Singh 8 years, 1 month ago

,,,!!???

0Thank You

Arohi Chaudhary 8 years, 1 month ago

1Thank You

ANSWER

4+1

Posted by Rishabh Gautam 8 years, 1 month ago

CBSE > Class 09 > Mathematics

17 answers

Arohi Chaudhary 8 years, 1 month ago

Ur welcome dear

0Thank You

Nikita Joshi 8 years, 1 month ago

0Thank You

Mahesh Tadav 8 years, 1 month ago

Thanks Arohi

0Thank You

Arohi Chaudhary 8 years, 1 month ago

Studying English

1Thank You

Arohi Chaudhary 8 years, 1 month ago

All the best for your exam, Prasant

0Thank You

Mahesh Tadav 8 years, 1 month ago

What are you doing

0Thank You

Arohi Chaudhary 8 years, 1 month ago

Same

1Thank You

Mahesh Tadav 8 years, 1 month ago

Fine and u

0Thank You

Arohi Chaudhary 8 years, 1 month ago

How are you dear friend??

0Thank You

Mahesh Tadav 8 years, 1 month ago

Hi Arohi

0Thank You

Arohi Chaudhary 8 years, 1 month ago

Hi Prashant

0Thank You

Arohi Chaudhary 8 years, 1 month ago

It's 5....

0Thank You

Arohi Chaudhary 8 years, 1 month ago

Very difficult question

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Mahesh Tadav 8 years, 1 month ago

Aap ko itna nahi aata kya bhai

0Thank You

Shrish Kashyap 8 years, 1 month ago

0Thank You

Sneha Dhake 8 years, 1 month ago

0Thank You

Rishabh Gautam 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

6 answers

Mahesh Tadav 8 years, 1 month ago

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

0Thank You

Khushi Singh 8 years, 1 month ago

Science padh rhi hu..aap

0Thank You

Mahesh Tadav 8 years, 1 month ago

Kya kar rahe hai aap

0Thank You

Khushi Singh 8 years, 1 month ago

Hii prashant

0Thank You

Mahesh Tadav 8 years, 1 month ago

Hi khushi

0Thank You

Khushi Singh 8 years, 1 month ago

9 cm

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Evaluate √13+4√10-√7-2√10

Posted by Chitra Verma 8 years, 1 month ago

CBSE > Class 09 > Mathematics

3 answers

Shrish Kashyap 8 years, 1 month ago

hii

0Thank You

Mahesh Tadav 8 years, 1 month ago

Hiii

0Thank You

Shrish Kashyap 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

6 answers

Vampire Dukedom 8 years, 1 month ago

It's 15/25

1Thank You

Shrish Kashyap 8 years, 1 month ago

how my answer is wrong

0Thank You

Alifiya Stw 8 years, 1 month ago

3/5 is correct answer Shriya ur answer is incorrect

0Thank You

Kashish Prajapati 8 years, 1 month ago

3/5

1Thank You

Mahesh Tadav 8 years, 1 month ago

Ya shriya is right

0Thank You

Shrish Kashyap 8 years, 1 month ago

2/5

0Thank You

ANSWER

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

Posted by Ashish Agarwal 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Khushi Singh 8 years, 1 month ago

7 cm

1Thank You

ANSWER

Find the angle whose supplement is six times it complement

Posted by Dikshant Minhas 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Shipra N 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Rationalize the denominator of 1/√5

Posted by Pawan Misal 8 years, 1 month ago

CBSE > Class 09 > Mathematics

3 answers

Abhijeet Singh 8 years, 1 month ago

√5/5

2Thank You

Ritik Raj 8 years, 1 month ago

1/√5×√5/√5=1×√5/√5×√5=√5/5

0Thank You

Mahesh Tadav 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What kind of will come in exam

Posted by Sneha Abc 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Alifiya Stw 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find five rational numbers between 3/5and4/5

Posted by Abhishek Shukla 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Yashwanti Prajapati 8 years, 1 month 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 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

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