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Geometry Definitions What is a point? Answer: A point represents an exact position in space. It has no size. Example: A dot marked on paper is called point A. What is a line? Answer: A line is a straight path that extends endlessly in both directions. Example: The edge of a ruler represents a line. What is a line segment? Answer: A line segment is a part of a line with two fixed endpoints. Example: The line joining points A and B is written as AB. What is a ray? Answer: A ray starts at one point and extends infinitely in one direction. Example: Sunlight coming from the sun can be thought of as rays. What is an angle? Answer: An angle is formed when two rays meet at a common point (vertex). Example: The corner of a book forms an angle. What are the types of angles? Answer: Acute angle: less than 90° (e.g., 45°) Right angle: exactly 90° Obtuse angle: more than 90° but less than 180° (e.g., 120°) Straight angle: exactly 180° What is a triangle? Answer...

Here are 100 One-Word Question Answers (Class 6–8 Science) : Unit of force? — Newton Process by which plants make food? — Photosynthesis Gas needed for breathing? — Oxygen Closest planet to the Sun? — Mercury SI unit of length? — Metre Device to measure temperature? — Thermometer Hardest natural substance? — Diamond Centre of an atom? — Nucleus Force that pulls objects to Earth? — Gravity Liquid changing into vapour? — Evaporation Vitamin from sunlight? — VitaminD Red planet? — Mars Instrument to see microorganisms? — Microscope Main gas in air? — Nitrogen Unit of electric current? — Ampere Organ that pumps blood? — Heart Green pigment in leaves? — Chlorophyll Vapour changing into liquid? — Condensation Largest planet? — Jupiter Energy from the Sun? — Solar Device to measure time? — Clock Framework of bones? — Skeleton Unit of mass? — Kilogram Gas used in photosynthesis? — CarbonDioxide Sprouting of seed? — Germination Smallest unit of life? — Cell Device to...

Class6 Section A: Multiple Choice Questions (Answers Ticked) The smallest prime number is: a) 0 b) 1 ✔ c) 2 d) 3 LCM of 12 and 15 is: ✔ a) 60 b) 30 c) 45 d) 90 HCF of 18 and 24 is: a) 12 ✔ b) 6 c) 3 d) 9 5.25 as a fraction is: ✔ a) 21/4 b) 5/25 c) 52/5 d) 25/5 0.75 × 10 = ✔ a) 7.5 b) 75 c) 0.075 d) 750 The perimeter of a square of side 6 cm is: a) 12 cm ✔ b) 24 cm c) 36 cm d) 18 cm A triangle with all sides equal is called: a) Scalene b) Isosceles ✔ c) Equilateral d) Right A line that divides a circle into two equal parts is: a) Radius ✔ b) Diameter c) Chord d) Arc The value of 7² is: a) 14 ✔ b) 49 c) 21 d) 77 The place value of 5 in 45,678 is: ✔ a) 5,000 b) 50 c) 500 d) 5 3/4 + 2/4 = a) 5/8 ✔ b) 5/4 c) 1 d) 6/4 2.5 + 3.75 = ✔ a) 6.25 b) 5.25 c) 6.5 d) 5.5 A rectangle has length 8 cm and breadth 5 cm. Its area is: a) 13 sq cm ✔ b) 40 sq cm c) 26 sq cm d) 80 sq cm Roman numeral for 50 is: ✔ a)...

10 percentage questions with solutions. 1. Find 25% of 200. Solution: 25% of 200  = (25/100) x 200 = 50 Explanation: Percentage means “per hundred.” So we multiply the number by the given percentage and divide by 100. 2. Find 10% of 350. Solution: 10% of 350 = = (10/100) X 350   = 35 Explanation: 10% means one-tenth of a quantity. 3. Find 15% of 80. Solution: 15% of 80 = = (15/100) X 80   = 12 Explanation: Convert the percentage into a fraction and multiply. 4. What percentage of 50 is 20? Solution: Percentage = (x/100) x 50 = 20 X = (20/50) x 100 = 40% Explanation: Divide the part by the whole and multiply by 100. 5. What percentage of 400 is 60? Solution: Percentage = (60/400) x 100 = 15% Explanation: This shows how much 60 is out of 400. 6. A student scored 45 marks out of 60. Find the percentage of marks obtained. Solution: Percentage = (45/60) x 100 = 75% Explanation: Marks obtained ÷ Total marks × 100 gives the percentage...

Maths : Ratio 1. Write the ratio of 3 apples to 5 apples. Answer: 3 : 5 Explanation: Ratio compares quantities of the same type. So, apples to apples = 3 : 5. 2. Express the ratio 12 : 18 in its simplest form. Answer: 2 : 3 Explanation: Find the HCF of 12 and 18, which is 6. Divide both terms by 6: 12 ÷ 6 = 2, 18 ÷ 6 = 3 So the simplest form is 2 : 3. 3. The ratio of boys to girls in a class is 4 : 5. If there are 20 boys, how many girls are there? Answer: 25 girls Explanation: 4 parts = 20 boys 1 part = 20 ÷ 4 = 5 Girls = 5 parts = 5 × 5 = 25 4. Divide ₹120 in the ratio 2 : 3. Answer: ₹48 and ₹72 Explanation: Total parts = 2 + 3 = 5 Value of 1 part = 120 ÷ 5 = 24 First share = 2 × 24 = ₹48 Second share = 3 × 24 = ₹72 5. The ratio of red balls to blue balls is 7 : 9. If there are 63 red balls, find the number of blue balls. Answer: 81 blue balls Explanation: 7 parts = 63 1 part = 63 ÷ 7 = 9 Blue balls = 9 parts = 9 × 9 = 81 6. The ratio of length to breadth of a rectangle is 5 : 3. If ...

Chapter 11: Grassroots Democracy – Part 2 Local Government in Rural Areas** Short Answer Questions What is a Gram Sabha? The Gram Sabha is a meeting of all adult villagers. What is a Gram Panchayat? It is the local government body of a village. Who is the Sarpanch? The elected head of the Gram Panchayat. What is rural development? Improvement of villages. Name one function of Gram Panchayat. Maintaining village roads. Medium Answer Questions Explain the role of Gram Sabha. The Gram Sabha discusses village problems and approves development work. How is the Sarpanch elected? The villagers elect the Sarpanch through voting. What are the functions of Gram Panchayat? It maintains roads, water supply, schools, and sanitation. Why is local government important? It solves problems at the village level. How does rural local government help people? It ensures development and participation. Chapter 12: Grassroots Democracy – Part 3 Local Government in Urb...

Chapter 6: The Beginnings of Indian Civilisation Short Answer Questions What is civilisation? Civilisation refers to an advanced stage of human society with cities, writing, and culture. Name one early civilisation of India. The Harappan (Indus Valley) civilisation. Where did early civilisations develop? Near rivers. Why were rivers important? They provided water, fertile soil, and transport. Name one Harappan city. Mohenjo-daro. Medium Answer Questions Why did people settle near rivers? Rivers provided water for drinking and farming, fertile land, and means of transport. Describe town planning of Harappan civilisation. Harappan cities had straight roads, proper drainage systems, and well-planned houses. What were the main occupations of early people? Farming, pottery, trade, and craftwork. What shows that Harappans were advanced? Their town planning, drainage system, seals, and standard bricks. Why is the Harappan civilisation important? It ...

Chapter 1: Locating Places on the Earth Short Answer Questions (2–3 lines) What is a globe? A globe is a spherical model of the Earth that shows continents, oceans, countries, and latitudes and longitudes. What are latitudes? Latitudes are imaginary horizontal lines drawn parallel to the Equator to locate places north or south. What are longitudes? Longitudes are imaginary vertical lines that run from the North Pole to the South Pole. Name the main latitude. The Equator is the main latitude. What is the Prime Meridian? The Prime Meridian is the longitude of 0° passing through Greenwich, England. Medium Answer Questions (4–5 lines) Explain the importance of the Equator. The Equator divides the Earth into Northern and Southern Hemispheres. It receives direct sunlight and affects climate. Areas near the Equator are generally hot. How do latitudes help us? Latitudes help locate places and understand climate zones like Torrid, Temperate, and Frigid zones. ...