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Algebra Algebra Algebra AlgebraAlgebra

30 Minutes

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Maths

Irrational Numbers

Real Numbers

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Science

States of Matter

Interconversion of States of Matter

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Geography

Size and Location

India and the World

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History

Did Women have a Revolution?

French Society Before the Revolution

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Civics

Changing Map of Democracy

Global Democracy and International Organisations

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Economics

Introduction

Factors of Production

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English Grammar

Sentence - Introduction

Simple and Compound Sentences

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English Writing Skills

Notice Writing - Format and Sample

Message Writing - Format and Sample

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English Literature Reader

The Man Who Knew Too Much

Keeping It from Harold

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  • Democracy

    Q

    There are two types of democracy: direct and representative levels of stability. Presidential democracies have lower levels of representativeness and higher levels of stability. There are more parliamentary democracies in the world than presidential.

    A
  • Surface Areas and Volumes

    Q

    CSA of cone1 : CSA of cone 2 = 2 : 1
    Πr1l1 : πr2l2 = 2 : 1
    r1l1 : r2(2l2) = 2 :1
    r1 : 2r2 = 2 : 1
    r1 : r2 = 4 : 1

    A
  • Heron's Formula

    Q

    Let ABCD is a quadrilateral. Where AB = 6 cm , BC = 8 cm and angle B = 90 so
    in triangle ABC (right triangle)
    area of triangle ABC = 6*8/2 = 24 cm2
    Area of Triangle ACD (By herons formula)
    Here AC = 10 cm, CD = 12 cm, AD = 14 cm, s = (10+12+14)/2 = 18
    Area = √{18*(18-10)*(18-12)*(18-14)} = 24√6 cm2
    Area of ABCD = 24 + 24√6 cm2

    A
  • The Fundamental Unit of Life.

    Q

    Aristotle is called the 'father of biology'.

    A
  • Structure of the Atom

    Q

    Kr 4d10 5s2 5p6
    To gain extra stabilty by getting filled subshells

    A
  • Atoms and Molecules

    Q

    1 mole CO2 = 44g
    0.72 mole CO2 = 0.72*44 = 31.68 gm

    A
  • Fiction

    Q

    Yes. Harold proved to be an ideal child as he was considered to be a child prodigy.He performed exceptionally not only in academics but also won many competitions. To top all that he was not at all proud rather he was a model of excellent behaviour and respected his parents a lot.

    A
  • Traingle

    Q

    Find the area of an equilateral triangle with side 4√3cm

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  • Motion

    Q

    Ans : (b) displacement
    because if a particle starts moving from a point and again comes to the point from which it started moving then net displacement will be zero while particle was in motion during that time.

    A
  • Anti Poverty measure

    Q

    Answer.

    Anti-Poverty Measures Removal of poverty has been the biggest challenge to the Indian Government The Government of India is dealing with poverty on two fronts Promotion of economic growth Anti-poverty programmes India's economic growth has been one of the fastest in the world

    A

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