CBSE > Class 08 > Mathematics | CBSE Board | Homework Help | myCBSEguide

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

Identities

Posted by Farida Dalal 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Write about the quadrilateral

Posted by Abubakar Panwar 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 6 years, 11 months ago

Quadrilateral: A quadrilateral has four sides and consequetively four vertices.
A polygon with four sides is called quadrilateral. In quadrilateral, sides are straight and are of two dimensional. Square, rectangle, rhombous, parellelogram, etc. are the examples of quadrilateral.

ANSWER

By what percent is $2000 less than $2,400 ? Is it the same as the percent by which $2,400is more than $2,000 ?

Posted by Sai Charitha Arumuru 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Shruti Shri 6 years, 11 months ago

Solu:- let the percentage be x 2400-x./. of 2400 =2000 2400-2000= 2400x/100 4000= 24x X=4000/24 x= 166.6./.

ANSWER

A milkman sold two of his buffoles for Rs 20,000 each . On one he had made a gain of 5 percent and on other loss of 10 percent . Find his overall gain or loss . ( hint . Find CP of each )

Posted by Disha Zala 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Find the perimeter of a rhombus if the diagonals are 4cm and 12cm

Posted by Remanth Kumar 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Vijeta Kanwar 6 years, 11 months ago

Perimeter of rhombus =1/2d1d2 1/2 4 12=24

ANSWER

4a5ere&-_tfteu4636ry5545tu+ru55447558+tu57375

Posted by Dishu Melkani 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

The walls and ceiling of a room are to br plasterd .The length,breadth and height of the room are 4.5m,3m and 350m .find the cost of plastering at the rate of 8 per sq.m?

Posted by Dolly . 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

2 appointment 3 is equal to 3 minus 4

Posted by Roshan Shah 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

79y+32xy-17xyz (y=2, x=-2, z= 0)

Posted by Tanisha Aggarwal 6 years, 11 months ago

CBSE > Class 08 > Mathematics

4 answers

Tanisha Aggarwal 6 years, 11 months ago

madhuja kannan your answer is right but you do'nt solve it with given values

Tanisha Aggarwal 6 years, 11 months ago

79y+32xy-17xyz =79(2)+32(-2)(2)-17(-2)(2)(0) =158+32(-4)-17(-4)(0) =158+(-128)-17(0) =158-128-0 =30 ans.......

Tanisha Aggarwal 6 years, 11 months ago

its wrong bcoz we want to solve with given values

Madhuja Kannan 6 years, 11 months ago

30

ANSWER

(3-+(-11)) (3-4)

Posted by Prithviraj Desai 6 years, 11 months ago

CBSE > Class 08 > Mathematics

6 answers

Yash Borkar 6 years, 11 months ago

-14 because 3 plus 11 plus3 equal to14 and 14 into -1 equal to -14

Kashish Bhambhani 6 years, 11 months ago

14 is a correct answer

Farida Dalal 6 years, 11 months ago

14 is correct bcoz 3-+-11 -×+=-×-=+ So3+11=14×3-4=1 14×1=14

Nisha Bhujade 6 years, 11 months ago

13 is the correct answer

Raman Preet 6 years, 11 months ago

19

Prithviraj Desai 6 years, 11 months ago

19

ANSWER

A two dimensional shape is _______________ shapes .

Posted by Selva Lakshmi 6 years, 11 months ago

CBSE > Class 08 > Mathematics

4 answers

Yash Borkar 6 years, 11 months ago

Square or rectangle

Raman Preet 6 years, 11 months ago

Square or rectangle

Virender Singh 6 years, 11 months ago

Rectangle or square

Tanu Dubey 6 years, 11 months ago

Square and rectangle

ANSWER

State true or false P(9-p)=9p-2p

Posted by Selva Lakshmi 6 years, 11 months ago

CBSE > Class 08 > Mathematics

7 answers

Yash Borkar 6 years, 11 months ago

False because p ✖p is psquare

Kashish Bhambhani 6 years, 11 months ago

False because it will be p sq not 2p

Gajavelli Swathi 6 years, 11 months ago

False

Nitish Shukla 6 years, 11 months ago

True

Tanisha Aggarwal 6 years, 11 months ago

false

Raman Preet 6 years, 11 months ago

True

Ram Kushwah 6 years, 11 months ago

Falsr

ANSWER

Find the odd number of 7,28,124,344,728,2198

Posted by Arun Rawat 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 6 years, 11 months ago

Any integer (not a fraction) that cannot be divided exactly by 2.

The last digit is 1, 3, 5, 7 or 9
Odd number = 7

ANSWER

How many cubes of 3cm edge can be cut out of a cube of 18cm edge

Posted by Meenakshi Kansal 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 6 years, 11 months ago

Volume of large cube = 18 x 18 x 18
Volume of small cube = 3 x 3 x 3
Number of cubes = (18 x 18 x 18) / (3 x 3 x 3) = 6 x 6 x 6 = 216

ANSWER

A tank can be filled by pipes a and b in 8 and 12 hours respectively the full tank can be emptied by a third pipe in 24 hours if all the three pipes are open at the same time in how much time will the empty tank be filled

Posted by Srishty Agrawal 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

What is regrouping

Posted by Antriksh Choudhury 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Raman Preet 6 years, 11 months ago

Different form of group and make together regrouping

ANSWER

6 pump can irrigate a large farm in four days if work for 8 hours each day .How many hours each day did 5 pumps work if the same farm was irrigated in 12 days?

Posted by Rohit Yadav 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Sixteen x sq.plus twenty fourx plus nine,when x=7by4

Posted by Swastika Soni 6 years, 11 months ago

CBSE > Class 08 > Mathematics

2 answers

Kashish Bhambhani 6 years, 11 months ago

100

Vijeta Kanwar 6 years, 11 months ago

16 *7/4*7/4+24*7/4+9 49+42+9=100

ANSWER

Formula of chapter mensuration

Posted by Moneysareen Sareen 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Gajavelli Swathi 6 years, 11 months ago

Mensuration from science or maths which?

ANSWER

(X^y)(x^y)

Posted by Anish Ranjan 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Anish Ranjan 6 years, 11 months ago

X^2y

ANSWER

6x - 4x

Posted by Kushagra Gupta 6 years, 11 months ago

CBSE > Class 08 > Mathematics

6 answers

Gajavelli Swathi 6 years, 11 months ago

2x

Tanisha Aggarwal 6 years, 11 months ago

2x

Vandana Sharma 6 years, 11 months ago

2x is the correct answer

Nisha Bhujade 6 years, 11 months ago

2x

Himanshu Nanda 6 years, 11 months ago

2x becoz if we subtract 6-4 we get our answer 2 so the answer is 2x

Kushagra Gupta 6 years, 11 months ago

2x

ANSWER

16x³,-4x²,32x

Posted by Gautam Yadav 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Tanisha Aggarwal 6 years, 11 months ago

what we want to do plus, subtract, or mulitiply

ANSWER

A =52 b=12 c=?

Posted by Aditya Babar 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Kushagra Gupta 6 years, 11 months ago

C= 64

ANSWER

Draw the gragh of the equation 4x-y=3

Posted by Mirthika Srinivasan 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Formula of triangle is sum of all side but why?????

Posted by Taniya Sharma 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Taniya Sharma 6 years, 11 months ago

First time all of them we draw a triangle on sheet and cut all side of angle and draw a line segment and put all angle on it this is 180 and we know that sum of all side of a triangle is 180

ANSWER

If 3x plus 2y is equal to 12 and xy is equal to 6,find the value of 9xsq. plus 4ysq.

Posted by Atul Jangra 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Find the value of (4x-5)(4x+1)-(4x+5)(4x-1)

Posted by Firose Khan 6 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 6 years, 11 months ago

(4x - 5) (4x + 1) - (4x + 5) (4x - 1)
= 16x² + 4x - 20x - 5 - [16x² - 4x + 20x - 5]
= 16x² + 4x - 20x - 5 - 16x² + 4x - 20x + 5
= 4x + 4x
= 8x

ANSWER

A school crossing sign has the dimensions as shown in the given figure. 1=what is the area of the sign board? 2=if the 4 such sign boards are cut from the rectangular metal sheet 350 cm long and 320 cm wide ,what will be the area of the metal left over?

Posted by Virender Singh 6 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

What is Air pollution

Posted by Rudra Tripathi 6 years, 11 months ago

CBSE > Class 08 > Mathematics

2 answers

Vandana Sharma 6 years, 11 months ago

I am of STANDARD 8 ,SO UR ANSWER IS when the pollutant ..i.e..the dust mixes with air it pollutes the environment nd day by day our environment condition is so harass.that we even can't imagine even though our eyes we can see the thick layer of black clouds...dust clouds... covering our head...HOPE IT WILL HELP SIR..MISTER..

Janvi Parjapati 6 years, 11 months ago

Good morning to all. I am studing in class 8 would like to speech on pollution at this occasion. My deer friends, pollution has been oneif the biggest challengs affecting the environment.

ANSWER

List price of T shirt is Rs 350. Adiscount of 20% is announced on sales. What is the amount of discount on it and its sale price

Posted by Vamsi Tejuja 5 years, 8 months ago

CBSE > Class 08 > Mathematics

1 answers

Sia ? 6 years, 5 months ago

Price of T Shirt = Rs 350
Discount on T - Shirt = 20% of 350 = {tex}\frac{20}{100} \times 350{/tex} = 70
Sales Price = 350 - 70 = 280

ANSWER

Page 334 of 571

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App