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Explanation / Important formulas Important formulas: km/hr to m/s conversion:a km/hr = a x 5/18 m/s. m/s to km/hr conversion:a

Explanation / Important formulas Shares or stocks: The whole capital is divided into small units called shares or stock. Example: For each investment, the company

Explanation / Important formulas SIMPLE INTEREST Principal: The money borrowed or lent out for a certain period is called the principal or the sum.

Explanation / Important formulas Ratio: The ratio of two quantities a and b in the same units is the fraction a/b and we write it as a : b.

Explanation / Important formulas km/hr to m/s conversion: a km/hr = (a X 5/18) m/s m/s to km/hr conversion: a km/hr =

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Inlet: A pipe connected with a tank or a cistern or a reservoir that fills

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Random Experiment: An experiment in which all possible outcomes are know and the exact output

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Permutation implies arrangement where order of things is important and includes word formation number formation,

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] PERCENTAGE: A percentage is defined as a number represented as a fraction of 100. Percentages are

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Ratio of Divisions of Gains: When investments of all the partners are for the

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] (a + b)(a – b) = (a2 – b2) (a + b)2 = (a2 + b2 + 2ab) (a – b)2 = (a2 + b2 – 2ab) (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca)

[vc_row][vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] In a simple series, the difference between two consecutive numbers is constant Example: 27,

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″]Alligation: It is the rule that enables us to find the ratio in which two or

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] A fraction is an expression that indicates the quotient of two quantities. A fraction

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Direct Proportion: Two quantities are said to be directly proportional, if on the increase

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Ordinary Year: The year which is not a leap year is called an ordinary years. An

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Stream: Moving water of the river is called stream Still Water: If the water is not

[vc_row][/vc_row][vc_column][/vc_column][vc_toggle title=”Explanation / Important formulas:” el_id=”1481454282462-60885454-0285″] Area refers to the space inside a two-dimensional object, like a square or an octagon,

[vc_row][vc_column][vc_toggle title=”Important Formulas / Properties:” el_id=”1481453524397-6409ba7b-b187″]Consider x, as the age of an individual If the current age of the person