CBSE > Class 07 | CBSE Board | Homework Help

A study of the way that a people do a particular job, or the way they work in a particular place in order to discover the most efficient methods of working. In this modern time-and-motion study, the scientists watch, photograph and record how different people work.

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A 15 m long ladder reached a home 12m high by placing against the wall at distance Find x

Posted by Janani V S 3 years, 1 month ago

CBSE > Class 07 > Mathematics

3 answers

Ashu Yadav 3 years, 1 month ago

1Thank You

Nirbhay Kumar 3 years, 1 month ago

Imagine it like a right angle triangle Let the base be x So, H^2=A^2+B^2 15^2=12^2+x^2 225=144+x^2 x^2=225-144 x^2=81 x=√81 x=9 So, the distance is 9m=Ans

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Janani V S 3 years, 1 month ago

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A painter pains 240sq.feet of a wall . If this is 48% of the total wall surface what is the area of the wall in sq.feet

Posted by Nisha Yadav 3 years, 1 month ago

CBSE > Class 07 > Mathematics

0 answers

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What is displacement reaction. why is it a chemical reaction. explain with an example ?

Posted by Geetha Chowdary 3 years, 1 month ago

CBSE > Class 07 > Science

1 answers

Vedita Mishra Veditamishra 3 years ago

A displacement reaction is the one wherein atom or a set of atoms is displaced by another atom in a molecule

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Define combustion . what type of change it is ? demonstrate with an activity .

Posted by Geetha Chowdary 3 years, 1 month ago

CBSE > Class 07 > Science

1 answers

Abhinav Dirisam 3 years, 1 month ago

Combustion is a process in which fuel is burnt for motion activity the type of change is chemical change as we can see we cannot change the burnt material back to the fuel example is an Space Shuttle being launch Mausi

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How litmus paper is made and with what meterials it is made up of ?

Posted by Geetha Chowdary 3 years, 1 month ago

CBSE > Class 07 > Science

1 answers

Tejal Sharma 3 years, 1 month ago

Lichen

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What is hyperbole?

Posted by Geetha Chowdary 3 years, 1 month ago

CBSE > Class 07 > English

2 answers

Kavya Tyagi 3 years, 1 month ago

Hyperbole is the greatest, most spectacular thing in the history of the entire world! ( this is actually an example)

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Laxmi Kashyap 3 years, 1 month ago

Hello

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Why still tribal people wouldn't come into our technology ?

Posted by Geetha Chowdary 3 years, 1 month ago

CBSE > Class 07 > Social Science

1 answers

Aayansh Bajpai 3 years, 1 month ago

Because they settled at once place

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What is AI system

Posted by Kanak Lawaniya 3 years, 1 month ago

CBSE > Class 07 > Computer

2 answers

Gauri Singh 3 years, 1 month ago

Artificial intelligence

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Vaishnavi Pawade 3 years, 1 month ago

Why is graphics nat an important features of QB64

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A settlement is a___________ of house where people live.

Posted by Aarti Devi 3 years, 1 month ago

CBSE > Class 07 > Social Science

5 answers

Ashok Kumar Sahu Ssvm Bheden 3 years, 1 month ago

Place

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Shubh Singh 3 years, 1 month ago

A settlement is a place of house where people live.

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Tejal Sharma 3 years, 1 month ago

Place

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Ashu Yadav 3 years, 1 month ago

Place

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Nisha Yadav 3 years, 1 month ago

Place

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Paragraph writing: books are our good friends

Posted by Lavanya .K 3 years, 1 month ago

CBSE > Class 07 > English

0 answers

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A dealer sold two tv for ₹4000 each neither losing nor gaining inthe deal . If he sold one TV at a gain of 25% find the loss/gain percent in other

Posted by Ankush Himkar 3 years, 1 month ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Write a short note on 'modes of communication in remote areas '

Posted by Nandani Pandit 3 years, 1 month ago

CBSE > Class 07 > Social Science

1 answers

Tejal Sharma 3 years, 1 month ago

However, other traditional and modern communication methods are equally valuable, depending on the situation and availability, like face-to-face exchanges (via demonstration and village meetings); one-way print media (such as, newspapers, newsletters, magazines, journals, posters); one-way telecommunication media (including non-interactive radio, television, satellite, computer, cassette, video and loud-speakers mounted on cars); and two-way media: (telephone, including teleconferencing, and interactive (Internet) computer)

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State active or passive 1) the farmer tills the land . 2) the I'd card must be displayed prominently by everyone

Posted by Arpan Jha 3 years, 1 month ago

CBSE > Class 07 > English