Category: QA

divisibility by two

Number System : Divisibility by 2

90 Days to CAT – A free short Course – Schedule  \/ Take any number and note the last digit in the number, discarding the other digits. Then take that digit while ignoring the...

graph of x2+2x+8_webmaggu

Graph Modification

Sometimes we come across questions related to graphs modification. These questions may look difficult in the first sight but are really easy to crack if we know some of the fundas. The questions may be...

quadratic-equation

Roots of a Quadratic Equation

A quadratic equation is a polynomial equation of the second degree. In other words, a second degree polynomial in x equated to 0, where coefficient of x^2 =/=0 will be a quadratic equation. The general form is ax^2 + bx...

squares of numbers

Squares of numbers from 1 to 30

For making your calculation faster you must remember the squares of  numbers from 1 to 30. Here is a collection of squares which could be easily remembered. Sq. 1 = 1          ...

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