CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

In mathematics, a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.Since q may be equal to 1, every integer is a rational number.

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@ Aashu 6 years, 11 months ago

Plz post the complete question!!

2Thank You

Puja Sahoo? 6 years, 11 months ago

Complete yur question.....

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Pihu Saini 6 years, 11 months ago

Whts ur ques......,,,..?_?

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Nishant Yadav 6 years, 11 months ago

It is .............m

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ANSWER

What isradii

Posted by Trilokchanrd Rawat 6 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

Shahank Singh 6 years, 11 months ago

Radii is the distance from the center pf circle

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Pihu Saini 6 years, 11 months ago

The distance from the centre of the circle...

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Sachdhar Choudhary 6 years, 11 months ago

Plural of radius

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ANSWER

The circle of radius 9cm circumscribing a triangle with two sides of 6cm.find the base of a triangle and area?

Posted by Poku Ttezhini 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Pihu Saini 6 years, 11 months ago

?_?

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Pihu Saini 6 years, 11 months ago

Which ques is this??

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ANSWER

Where to find this formula of AP series:tn=sn-sn-1

Posted by Robin Singh 6 years, 11 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Prove that in a right angled triangle square of the hypotenuse is equal to sum of the squares of other two sides

Posted by Munna Meena 6 years, 11 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Marking scheme of each chapter of maths

Posted by Ayushi Jain 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years, 6 months ago

Check syllabus for marking scheme : <a href="https://mycbseguide.com/cbse-syllabus.html">https://mycbseguide.com/cbse-syllabus.html</a>

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Sir Hindi medium math

Posted by Raju Jha 6 years, 11 months ago

CBSE > Class 10 > Mathematics

4 answers

@ Aashu 6 years, 11 months ago

What is ur question ??

2Thank You

Manoj Singh 6 years, 11 months ago

Where is question????

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Anushka Jugran ? 6 years, 11 months ago

What??

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Robin Singh 6 years, 11 months ago

What is the question?

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ANSWER

TanA+secA=p find cosecA

Posted by Amit Mamgai 6 years, 11 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A buket have some fruit, if the fruit become dobeled in every coming minute and it become full in 30 minutes. Find in how many miutes a bucket beccome 1/ 4 of it.

Posted by Udham Singh 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Udham Singh 6 years, 11 months ago

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ANSWER

Posted by Vaibhav Baliyan 6 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

Isha Saini 6 years, 11 months ago

Wht is this??

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@ Aashu 6 years, 11 months ago

What is this ??? OMG

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Lionel Messi⚽️ 6 years, 11 months ago

Sahi hai ...

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ANSWER

ln the given figure, if PQ=QR then prove that PE=ER

Posted by Moksh Sharma 6 years, 11 months ago

CBSE > Class 10 > Mathematics

4 answers

Rahul Jha 6 years, 11 months ago

Where is the figure ???

1Thank You

Mahi Choudhary 6 years, 11 months ago

You forget to draw the figure

1Thank You

Anushka Jugran ? 6 years, 11 months ago

Figure??

1Thank You

Vaibhav Baliyan 6 years, 11 months ago

But, where is the figure???

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ANSWER

Plz tell us blue print of cbse board paper

Posted by Ansh Nagpal 6 years, 11 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Plz tell me the blue print

Posted by Preeti Chauhan 6 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

Chetanya Rao 6 years, 11 months ago

Blue print means kisi bhi chiz ki copy

2Thank You

Nitya Mishra 6 years, 11 months ago

I also want

1Thank You

Chetanya Rao 6 years, 11 months ago

Exact cpoy

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ANSWER

The sum of first P, Q, R terms of an AP are a,b,c. Show that a/p(q-r)+b/q(r-p)+c/r(p-q)=0.

Posted by Chaitanya Chaitanya 6 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

Nitya Mishra 6 years, 11 months ago

This question is not from class 11 .It is from class 10 . The following solution is here : a=sum of p term a=p/2{2A+(p-1)D} 2a/p={2A+(p-1)D}.........…..…...........….(1) b=sum of q term b=q/2{2A (q-1)D} 2b/q={2A+(q-1)D}.…..........................(2) & c = ,sum of r term 2c/r={2A +(r-1)D } ...….....…............(3) Multiplying (1) ,(2) &(3) by ,(q - r),(r - p) ,(p -q) &add , we get 2a/p(q-r)+2b/q(r-p)+2c/r(p-q) 2A×0+D×0=0

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Gurjar Kabir (बैंसला) 6 years, 11 months ago

Chapter = 9....sequence and series..... Question no. 11

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Gurjar Kabir (बैंसला) 6 years, 11 months ago

This question is from class 11..........chapter 9 ....ex = 9.2...........so i can not do it...

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ANSWER

The length of a rectangle is twice its breadth . The perimeter of the rectangle is 120cm . Find the length and breadth of this rectangle

Posted by Chaitanya Chaitanya 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Gurjar Kabir (बैंसला) 6 years, 11 months ago

l =2 b............ Perimeter of rectangle =2(l+b).. 120 = (2b+b)2 ... 120= 6b.... B = 20. L= 40cm...

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Rahul Singh 6 years, 11 months ago

Breadth=20cm Length=40cm

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ANSWER

How can learn squares in easy way...?

Posted by Gurjar Kabir (बैंसला) 5 years, 8 months ago

CBSE > Class 10 > Mathematics

3 answers

Divyansh Sharma 6 years, 11 months ago

Number ending 5.........for example (25)^2 use the trick 1st term ×(1st term +2×(2+1

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Chetanya Rao 6 years, 11 months ago

By learning

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Rahul Singh 6 years, 11 months ago

By writing

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ANSWER

The diameter of a metallic sphere is 6cm. The sphere is melted and drawn into a wire of uniform Cross section. If the length of the wire is 36m, find it's radius.

Posted by Payal Chaudhary 6 years, 11 months ago

CBSE > Class 10 > Mathematics

6 answers

. . 6 years, 11 months ago

O.1 metres

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Gurjar Kabir (बैंसला) 6 years, 11 months ago

Volume of the sphere = (4/3)πR3,The volume of the wire = πr2h. ......πr2h = (4/3)πR3. .....π cancel π .......................r2 *36*100cm = 4/3*3*3*3. ...r2 = (4 × 9)/(36 × 100) .......r2. = 1/100. .....r. = 1/10 or 0.1cm...?

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Hritik Roushan Singh. 6 years, 11 months ago

Volume of sphere =4/3πr³ =4/3*π*(6)³ And, volume of sphere= Volume of wire Or, 4/3π(6)³ = πr²h Or,. 4/3*(6)³= r²*36 Or,. r²=4/3×216/36 Or,. r² = 8 Or,. r=2√2cm Or,. r=2.282cm

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Gurjar Kabir (बैंसला) 6 years, 11 months ago

You can say 1/10 =0.1cm= r

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Hritik Roushan Singh. 6 years, 11 months ago

Volume of sphere=⁴/³πr³

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Gurjar Kabir (बैंसला) 6 years, 11 months ago

1/10 = r

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ANSWER

The point of a ( x, y ) ,b (x2,y2), c ( x3,y3) are the vertics of triangle abc

Posted by Nidhi Kumari 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Dad'S Angel? 6 years, 11 months ago

I think, question is incomplete...

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ANSWER

Root6+wholeroot6+whole root 6

Posted by Radhe Sharma 6 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

ใหนว่าจ่ะไม่ หลอกกัน 5 years, 8 months ago

นา่าวง

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You . 5 years, 8 months ago

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You . 5 years, 8 months ago

Radhe plzz merko tik tok par follow Karo Yrr plzz

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ANSWER

If costheta + sintheta =root 2 costheta then prove that costheta - sintheta =root2 sin theta

Posted by Neel Sagar 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Puja Sahoo? 6 years, 11 months ago

I'm taking A instead of theta.... cosA+sinA=root2 cosA.......... =>sinA=root2cosA-cosA...... =>sinA=cosA(root2-1).......... =>cosA=sinA/root2-1............ =>cosA=sinA(root2+1)/2-1.....(rationalise the denominator)......... =>cosA=root2sinA+sinA....... =>cosA-sinA=root2 sinA....... proved..?

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