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A alone can do a piece of work in 12 days and B alone can do the same work in 15 days. A works alone for 4 days. In how many days will A and B together finish the remaining work?

Posted by Shoaib Md 7 years, 3 months ago

CBSE > Class 08 > Mathematics

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Write coefficient of y in expansing (5_y) 2

Posted by Sahil Kumar 7 years, 3 months ago

CBSE > Class 08 > Mathematics

0 answers

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How did the invisible man first become visible ?

Posted by Banshi Dhar Arya 7 years, 3 months ago

CBSE > Class 08 > English

1 answers

Bhumika Patel 7 years, 3 months ago

Griffin the invisible scientist first become visible when he happened to step in some mud which caused him to leave footprints as he walked.

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What charecter are soul profile

Posted by Shivendu Parihar 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 6 months ago

Soil is composed of distinct layers. The rotting matter in the soil is called humus. A vertical section through the soil showing the different layers of soil is called soil profile. Soil profile consists of three different layers of soil. Each layer of soil is called a horizon. The three layers of soil in the soil profile are:

A-horizon or Top-soil: The uppermost horizon is generally dark in colour as it is rich in minerals and humus. The humus makes the soil fertile and provides nutrients to growing plants. This layer is generally soft, porous and can retain more water. The plant roots grow in the top soil. This layer contains many living things like worms, rodents, and moles etc. Bacteria and fungi also occur in top soil. This layer contains lot of dead and decaying matter which makes it the most fertile layer. It is called the topsoil or the A-horizon.
B-horizon or Subsoil: The layer of soil which is just below the top-soil is called B-horizon. This layer has a lesser amount of humus but more of minerals. This layer is generally harder and more compact and made up of slightly bigger rock particles than that of top-soil. The subsoil is light in color compared to upper layer.
C-horizon or Sub-stratum: The third layer is the C-horizon, which is made up of small lumps of rocks with cracks and crevices. Below this layer is the bedrock, which is hard and difficult to dig with a spade.

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What are human resource important?

Posted by Shivani Garg 7 years, 3 months ago

CBSE > Class 08 > Social Science

2 answers

Sapna Kushwaha 7 years, 3 months ago

People can make the best use of nature to make more resources when they have knowledge and skill to do so. People are human resources. So the human resources are important

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Patel Vedant 7 years, 3 months ago

People can make the best using nature to createmore resources when they have the knowledge,skill and technolgy to do so.

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Find the number of digits in the square root of each of the following numbers(without any calcution ) 1-64 2-144 3-4489 4-27225 5-390625

Posted by Hriday Patni 7 years, 3 months ago

CBSE > Class 08 > Mathematics

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Medicine os packed in boxes each wieghing 4kg 500g .How many such boxes can be loaded in a van whicb cannot carry beyond 800 kg with explaination

Posted by P Adarsh 7 years, 3 months ago

CBSE > Class 08 > Mathematics

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What are the advantages of manure

Posted by Dhananjay Das 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Daljit Singh 7 years, 3 months ago

Manure produce a lot of humus. Manure are prepare from waste things like foecus rtc.

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The most commonly used ployester

Posted by Aakansha Rawal 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Ishinder Singh Rajpal 7 years, 3 months ago

Nylon

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Describe how coal is formed from dead vegetation. What is this process called?

Posted by Shivani Garg 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Divya Saini 7 years, 3 months ago

The dead plants got buriied under high pressure and temperature it converts to coal.This proxess is known as carbonization

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शाखा ka shabd roop in sanskrit

Posted by Prakash Ranjan 7 years, 3 months ago

CBSE > Class 08 > Other Subjects

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Why do some law become unpopular and controversial? Explain it with the help of an example.

Posted by Akanksha Sandhu 7 years, 3 months ago

CBSE > Class 08 > Social Science

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The blue water lily also known as ...............

Posted by Diksha Singhrakhani 7 years, 3 months ago

CBSE > Class 08 > Other Subjects

1 answers

Jayachandran Kb 7 years, 3 months ago

Nymphaea?

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From which logic we find the meanig of the word which is from stanga

Posted by Diksha Singhrakhani 7 years, 3 months ago

CBSE > Class 08 > English

1 answers

Divya Saini 7 years, 3 months ago

Stanga is wrong its stanza.

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What is the 'logic of geography' in geography lesson poem?

Posted by Diksha Singhrakhani 7 years, 3 months ago

CBSE > Class 08 > English

1 answers

Divya Saini 7 years, 3 months ago

It talks aboutor earth

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Definition of hardness

Posted by Gargi Bhinge 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Diksha Singhrakhani 7 years, 3 months ago

In chapter-materials :metals and non metals

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How can we store non -perishable food items

Posted by Anubhav Kumar 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 6 months ago

The best packaging for food storage keeps out oxygen, rodents, insects and light. Mylar bags, also known as foil pouches, block out light and oxygen from the food inside. These bags are an ideal solution to storing large and small quantities of dried foods. The three basic rules of kitchen food storage are storing the food in the right place, at the right temperature and keeping them for the right amount of time. Animals or insects will hunt for food by scent, so using airtight containers will keep them from smelling your food.

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How many rational number s are there between -2 and 2

Posted by Jayati Gupta 7 years, 3 months ago

CBSE > Class 08 > Mathematics

4 answers

Divya Saini 7 years, 3 months ago

3 they are -1/1,0/1,1/1

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Ronit Bhatia 7 years, 3 months ago

Infinite

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Ishinder Singh Rajpal 7 years, 3 months ago

Three rational numbers i.e -1,0,1

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Sapna Kushwaha 7 years, 3 months ago

Countless

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What is the rule of law

Posted by Anjali 7 years, 3 months ago

CBSE > Class 08 > Social Science

2 answers

Shrival Singh 7 years, 3 months ago

Rule of law means each and every citizen of India are equal in the eyes of law .there is no discrimination on the basis of caste ,creed ,gender or religion.

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Diksha Singhrakhani 7 years, 3 months ago

The rule of law is equality

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Explain the role of parliament

Posted by Deepa Jain 7 years, 3 months ago

CBSE > Class 08 > Social Science

1 answers

Shagun Bhardwaj 7 years, 3 months ago

The role of parliament is that the all taxes and other things necessary for running a country is taken in the parliament

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Natural gas resources

Posted by Kashish Shah 7 years, 3 months ago

CBSE > Class 08 > Social Science

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(3/x+1)+(5/x+3)=(8/x+2)

Posted by Manshi Raj 7 years, 3 months ago

CBSE > Class 08 > Mathematics

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2+2=5 explain

Posted by Abhishek Gader 5 years, 8 months ago

CBSE > Class 08 > Mathematics

1 answers

Divya Saini 7 years, 3 months ago

Let A=B=1 A=B Multiply by A A.A=B.A substrac by B.B A.A-B.B=B.A-B.B IN LHS- you new formula of a^2-b^2=(a-b).(a+b) (A-B).(A+B)=B(A-B) cancel common (A+B)=B Put the values 1+1=1 2=1 add 3 both side 2+3=1+3 5=4 5=2+2

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The present population of a town is 12500 and it is increasing at the ratio of 8 parsent per annum what will be the population of the town after 2 years

Posted by Payal Tiwari 7 years, 3 months ago

CBSE > Class 08 > Mathematics

2 answers

Shrival Singh 7 years, 3 months ago

14500

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Payal Tiwari 7 years, 3 months ago

Answer bataiye

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What was the importance and of regulating act of1773

Posted by Mansi Mishra 7 years, 3 months ago

CBSE > Class 08 > Social Science

1 answers

Ritik Dhakad 7 years, 3 months ago

The regulating act of 1773 subjected the company's governors under the supervision of the british government. Because the british govt. Felt that there were chances of corruption in the company. It was first step in the direction to check the company . A new act called "pitt india act " was introduced which was named after british pm william pitt the younger, to amend the regulating act 1773

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8th class semester 1 chapter 7

Posted by Nilesh Shiva Jaiswal 7 years, 3 months ago

CBSE > Class 08 > Mathematics