Reflection at Plane Surfaces: When a ray of light is incident on a plane surface,

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Addition and Subtraction: The first official evidence of Addition is that Egyptians and Babylonians used

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Subtraction by regrouping is one of the basic topics that contribute towards building the base

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Repeated subtraction is called subtraction of an equal number of items from the larger group, also

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NCERT Solutions for Class 8 Science Chapter 11: Class 8 is an important year in a

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Subtraction on Number Line: The number line is a horizontal line extending infinitely to either

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Let us go back to those school days when your teacher started teaching you counting

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Instruments for Measurement: A measuring instrument is a device that is used to measure or

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Complementary and Supplementary angles are defined for the addition of two angles. If the sum

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Kerala Engineering Agriculture Medical (KEAM) is a state-level competitive exam conducted annually to facilitate admission

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