Height and Distance
Angles of Elevation and Depression : Suppose we are viewing an object. The line of sight or the line of vision is a straight line from our eye to the object we are viewing.
* if the
Average Related to speed (Notes-2)
Theorem (1) : If a person travels a distance of a speed of x km/hr and the same distance at a speed of y km/hr, then the average speed during the whole journey is given by
Average (Notes) New
An average, or more accurately an arithmetic mean, is the sum of n different data divided by n.
For example, if a batsman scores 41, 51 and 43 runs in first, second and third match respectively,
Coding- Decoding (Notes New)
In this type of questions, an expression is given in coded form. You have to answer the given question by decoding the code of the expression.
Coding : Something written in special form in codes is called coding.
Dice (Notes New)
Cube : Closed figure which is composed of 6 square surface is called cube.
Cuboid : Closed figure which is composed of 6 rectangular surface is called cuboid.
Dice : When some numbers or points are printed
Statement & Courses of Action (Notes New)
* To solve questions on ‘courses of action’ first of all decide whether it is a ‘problem solution’ or ‘fact-follow up action’ type
* If it is ‘Problem solution’ then accept the suggested course of action,