CBSE Board | Homework Help

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

Ask Question

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

The dimensions of a room are (9m×8m×6.5m) . It has one door of dimensions (2m×1.5m) and two windows, each dimensions (1.5m×1m) find the cost of white washing the wall at Rs 6.40 per square metre .

Posted by Sanket ... 4 years, 2 months ago (5722231)

CBSE > Class 09 > Mathematics

3 answers

Sanket ... 4 years, 2 months ago (5722231)

Hi Diksha

0 Thank You

Diksha Laniya🐥 4 years, 2 months ago (10085318)

Hiii

0 Thank You

Sanket ... 4 years, 2 months ago (5722231)

Total surface area of the room=2(lh+lb+hb)m 2 =2[9×6.5+9×8+8×6.5]m 2 =365m 2 Area of the door =l×b=2×1.5=3m 2 Area of the windows=l×b=1.5×1=1.5m 2 ∴ Surface area of walls=TSA of room −Area of door−Area of windows =365−3−1.5=360.5m 2 Cost of whitewashing per square meter=Rs. 6.40 ∴ Cost of whitewashing the walls=Rs. 6.40×360.5 =Rs. 2307.2.

0 Thank You

ANSWER

To compare the EMF of two given primary cell using potentiometer

Posted by Uttkarsh Krishna 4 years, 2 months ago (12015467)

CBSE > Class 12 > Physics

1 answers

Deepak Pandey 4 years, 2 months ago (5071760)

0 Thank You

ANSWER

To find resistance of a given wire/ standard resistor using metre bridge

Posted by Uttkarsh Krishna 4 years, 2 months ago (12015467)

CBSE > Class 12 > Physics

1 answers

Piyush Baghel 4 years, 2 months ago (9863420)

R = S (100 - L1) / L1

0 Thank You

ANSWER

To determine the resistivity of two or three wire by plotting a graph between potential difference vs current

Posted by Uttkarsh Krishna 4 years, 2 months ago (12015467)

CBSE > Class 12 > Physics

0 answers

ANSWER

My subject english

Posted by Divyanshu Mishra 4 years, 2 months ago (12185149)

UP Board > Class 07 > Others

0 answers

ANSWER

4/5x +11=1/15

Posted by Lorinda Ch Marak 4 years, 2 months ago (12185142)

CBSE > Class 07 > Mathematics

2 answers

Depak Kumar Singh 4 years, 1 month ago (12281099)

11 by 15

0 Thank You

Sushant Chandra 4 years, 2 months ago (9573861)

0 Thank You

ANSWER

Which database set can be used for mail merge ?

Posted by Bangkim Thangjam 4 years, 2 months ago (12184916)

CBSE > Class 10 > Computer Applications (165)

1 answers

Eti Ankit Lakra 4 years, 1 month ago (12238473)

Text

1 Thank You

ANSWER

Mail merge can be used for.....?

Posted by Bangkim Thangjam 4 years, 2 months ago (12184916)

CBSE > Class 10 > Computer Applications (165)

1 answers

Shreya Patel 4 years, 1 month ago (12040173)

Text database

1 Thank You

ANSWER

who Was poor in the eyes of the boy

Posted by Garvita Yadav 4 years, 2 months ago (11237290)

CBSE > Class 08 > English

0 answers

ANSWER

what is word processing called libre office

Posted by Lalit Jangid 4 years, 2 months ago (12184835)

CBSE > Class 09 > Information Technology (402)

2 answers

Tanushree Roy 4 years, 2 months ago (12214060)

Because we can do editing, create our own documents with the help of libre office.. Since it is very useful...

2 Thank You

Nikita Singh 4 years, 2 months ago (12149358)

Namrata singh

1 Thank You

ANSWER

5. the side of a square is twice as long as the side of another square. how much more is the perimeter of the first square than the second square

Posted by Naren Pranav 4 years, 2 months ago (11680371)

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is apomixis and what is its role

Posted by Riya Rawat 4 years, 2 months ago (12184687)

Haryana Board > Class 12 > जीव विज्ञान

0 answers

ANSWER

What is type of graph

Posted by Thirumala Gowtham 4 years, 2 months ago (12184160)

CBSE > Class 09 > Mathematics

1 answers

Aastha Costin 4 years, 1 month ago (11618212)

Histogram graph ,pie graph,bar graph , Double bar graph

0 Thank You

ANSWER

The two consecutive integers between which the fraction 5/7 lies are a) 5 and 6 b) 0 and 1 c) 5 and 7 d) 6 and 7

Posted by Kanak Sehrawat 4 years, 2 months ago (11245193)

CBSE > Class 06 > Maths (OLD)

2 answers

Armaan Arpita Armaan Arpita 4 years, 2 months ago (12191781)

Measure the reflex angle in the given figure

2 Thank You

Yuvraj Singh 4 years, 2 months ago (7144609)

b) 0 and 1 as 5/7=0.7142....

1 Thank You

ANSWER

What is the importance of learning? How does it helps us

Posted by Sweety Buddy 4 years, 2 months ago (12184535)

CBSE > Class 06 > English (OLD)

0 answers

ANSWER

Which one is explosive in following Pcl3 Mgcl2, Sbcl3, Ncl3

Posted by Hari Nishad 4 years, 2 months ago (9295743)

CBSE > Class 12 > Chemistry

5 answers

?Tamanna ?? 4 years, 1 month ago (9484327)

Ncl3

0 Thank You

Shashank 11 4 years, 1 month ago (11652158)

Ncl3

1 Thank You

Shinchan Gaming 4 years, 1 month ago (10635941)

Mgcl2 as it is very reactive

0 Thank You

Anuuuu Anu 4 years, 1 month ago (12231120)

Ncl3,is correct answer

0 Thank You

Piyush Baghel 4 years, 2 months ago (9863420)

MgCl2

1 Thank You

ANSWER

meaning of protagonist

Posted by Bunny Boy 4 years, 2 months ago (12184472)

CBSE > Class 07 > English

2 answers

Sahana Satheesh 4 years, 1 month ago (12331769)

Book

0 Thank You

प्राची Soni 4 years, 2 months ago (11887065)

the main character in a play, film or book is protagonist

0 Thank You

ANSWER

Notes

Posted by Bilal Malik 4 years, 2 months ago (11660738)

CBSE > Class 11 > भौतिक विज्ञान

1 answers

Mayank Nauhwar 4 years, 1 month ago (10591796)

Yes

1 Thank You

ANSWER

How did the tree help the boy earn money

Posted by Samita Samita Das 4 years, 2 months ago (12184384)

Uttarakhand Board > Class 04 > Others

3 answers

Abhay Singh 3 years ago (13798787)

Hello

0 Thank You

Mohd Afsar 4 years ago (12042214)

Who was hiawatha

0 Thank You

Ansh Mishra 4 years, 1 month ago (12381257)

PDF

0 Thank You

ANSWER

Posted by Aseem Mahajan 4 years, 2 months ago (7640926)

CBSE > Class 12 > Physics

1 answers

Aseem Mahajan 3 years, 8 months ago (7640926)

0 Thank You

ANSWER

भूगोल

Posted by Subhash Hingade 4 years, 2 months ago (12184325)

CBSE > Class 10 > Regional Language

0 answers

ANSWER

All formulas of motion and force law and motion

Posted by Shreenath Atpadkar 4 years, 2 months ago (11099211)

CBSE > Class 09 > Science

3 answers

K_Hushii 🍁 4 years, 1 month ago (11720131)

Ya bro read your science book ch 8 ,9

0 Thank You

Sanket ... 4 years, 2 months ago (5722231)

Read the book science ch 8,9 bro ?

1 Thank You

Sanket ... 4 years, 2 months ago (5722231)

F = ma P = mv

0 Thank You

ANSWER

The plates of a parallel plate capacitor are 4 cm apart, the first plate is at 300 volt and the second plate at - 100 volt .The voltage at 3 cm from the second plate is

Posted by Himanshu Anna 4 years, 2 months ago (5483232)

CBSE > Class 12 > Physics

0 answers

ANSWER

A man travels 300 km partly by train and partly by car he takes 4 hours if he travels 60 km by train and rest by car if it travels hundred km by train and remaining by car he takes 10 minutes longer find the speed of train and the car separately

Posted by Divyansh'S Creative Corner. 4 years, 2 months ago (12073361)

CBSE > Class 10 > Mathematics

1 answers

Mohit Negi 4 years, 2 months ago (11895111)

Let the distance travelled by bus = x Distance travelled by train = y Total distance = 300 m Distance travelled by bus = 300-60 =240 m Make equations and solve them by using any method . Your answer is 60,80 km /hr

1 Thank You

ANSWER

What is macca and madina

Posted by (Râhûl ਰਾਹੁਲ) 4 years, 2 months ago (11752174)

CBSE > Class 11 > History

3 answers

Midhat Iqbal 4 years, 1 month ago (11594035)

Macca and madina is in saudiArabia..

0 Thank You

Tanisha Chhikara 4 years, 1 month ago (9576207)

Madina is the birth place of prophet Muhammad and mecca was the place where Muhammad gave his first teaching and people followed him.

1 Thank You

Laxmi Borah 4 years, 2 months ago (12190408)

Writing and city life

4 Thank You

ANSWER

HCF and LCM

Posted by Vanshika Ikhar 4 years, 2 months ago (12183866)

Bihar Board > Class 07 > गणित

3 answers

Najir Ansari 3 years, 4 months ago (13333949)

Hjh

0 Thank You

Gautam Kumar 3 years, 10 months ago (12758961)

85241

0 Thank You

Nishakumari Nishakumari 3 years, 11 months ago (12575046)

Hello

2 Thank You

ANSWER

x/3=+1=7/15

Posted by Divya Divya Sharma 4 years, 2 months ago (12183210)

CBSE > Class 08 > Mathematics

4 answers

Shubh Joshi 4 years, 2 months ago (12193464)

8/5

0 Thank You

Bhavya Gupta 4 years, 2 months ago (11973837)

Which ch it is

0 Thank You

Sambhavi Sharma 4 years, 2 months ago (12051022)

After dividing answer is =8/5

3 Thank You

Sambhavi Sharma 4 years, 2 months ago (12051022)

24/15

3 Thank You

ANSWER

A________is a model that you use to create other document

Posted by Aravind Boddikondla 4 years, 2 months ago (12125872)

CBSE > Class 10 > Computer Applications (165)

1 answers

Priyanshu Chaudhary 4 years, 2 months ago (12085293)

Template

0 Thank You

ANSWER

What is napolion code

Posted by Aditya Bhagoria 4 years, 1 month ago (9858350)

CBSE > Class 08 > Social Science

1 answers

Sia ? 4 years, 1 month ago (6945213)

The Napoleonic Code, officially the Civil Code of the French is the French civil code established under the French Consulate in 1804 and still in force, although frequently amended. It was drafted by a commission of four eminent jurists and entered into force on 21 March 1804.

0 Thank You

ANSWER

Sound

Posted by Shilpa Yadav 4 years, 2 months ago (11831003)

Chhattisgarh Board > Class 08 > विज्ञान