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Operations on Integers

Properties of Integers

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Nutrients in Plants

Digestion in Amoeba

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Geography

Natural Environment

Human Environment

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History

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Source for Medieval Indian History

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Civics

Equality in the Indian Democracy

Health Care in India

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English Grammar

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Noun Phrases

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Reading Comprehension

Reading Comprehension - Activity 1

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  • Brand Value

    Q

    'Brand Value' is a phrase used in the marketing industry which describes the value of having a well-known brand name based on the idea that the owner of a well-known brand name can generate more revenue simply ts recognition; that is from products with that brand name than from products well-known name, as consumers believe that a product with a well-known name is better than products with less well-known names.

    A
  • Thunderstorm

    Q

    Following precautions has to be taken if there are thunderstorms:

    • Do not take shelter under an isolated tree. If you are in a forest take shelter under a small tree. Do not lie on the ground.
    • Do not take shelter under an umbrella with a metallic end. This is because metallic end of umbrella may act as a conductor for lightning and harm us.
    • Do not sit near a window. Open garages, storage sheds, metal sheds are not safe places to take shelter.
    • A car or a bus is a safe place to take shelter.
    • If you are in water, get out and go inside a building.

    A
  • Perimeter and Area

    Q

    Radius of inner hollow circle = inner dia. / 2 = 42/2 = 21cm
    Outer radius = 21+width = 21+3.5 = 24.5cm
    Area of metallic ring = π[(outer radius)² - (inner radius)²] = 22/7 ×(24.5² - 21²) = 500.5 cm²

    A
  • Area

    Q

    πD²/4 = area of bed = 628
    D² = 628×4/π
    D = √(800) =28.28 m

    A
  • Rulers And Buildings

    Q

    To keep the mob excited, to stop any rebellion.

    A
  • Algebraic Expressions

    Q

    Coefficient is a constant or numerical quantity that is attached with variable(multiplied with it) in algebraic expression.
    Exp- coefficient of x in 12x = 12�

    A
  • Motion and Time

    Q

    Answer.

    15 km/h to km/min: 15 km/h = 15 × 0.016666666666667 km/min = 0.25 km/min

    A
  • Congruence of Traingle

    Q

    AB = AC and AX = AY
    AB - AX = AC - AY
    BX = CY
    so, CX ≠ BY

    A
  • Global Warming

    Q

    Power your home with renewable energy.
    Invest in energy-efficient appliances.
    Reduce water waste.
    Actually eat the food you buy—and make less of it meat.
    Buy better bulbs.
    Pull the plug(s).
    Drive a fuel-efficient vehicle.
    Rethink planes, trains, and automobiles.

    A
  • Global Warming

    Q

    Power your home with renewable energy.
    Invest in energy-efficient appliances.
    Reduce water waste.
    Actually eat the food you buy—and make less of it meat.
    Buy better bulbs.
    Pull the plug(s).
    Drive a fuel-efficient vehicle.
    Rethink planes, trains, and automobiles.

    A

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