UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 29th November 2020. Important news and views to... View Article
29 Nov 2020 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS 1. What does the killing mean for... View Article
In trigonometry, cot or cotangent is one of six trigonometric ratios. In a right-angled triangle, cot of an angle is equal to the ratio of... View Article
Cross product of two vectors results in a vector quantity always. The resultant vector is perpendicular to the two vectors, hence we get the... View Article
In probability, nCr states the selection of ‘r’ elements from a group or set of ‘n’ elements, such that the order of elements does not matter.... View Article
Simple interest for a principal amount P and interest rate R calculated annually or per year is given by: SI = (Principal x Rate x 1)/100 Learn... View Article
For two mutually exclusive events A and B, the probability of A OR B is given by: P(A∪B) = P(A) + P(B) But if events A and B are not mutually... View Article
When a point is placed in three dimensional space, it is defined by three coordinates such as x-axis, y-axis and z-axis. Let the point P is the... View Article
Suppose, the principal amount deposited in the bank is Rs.1500 and we need to find the simple interest at the rate of 12% per annum, then;... View Article
The cross product of two vectors is a vector itself. When we find the cross product of two unit vectors, then the magnitude of the resultant... View Article
In geometry, a ray is a part of a line that has a single endpoint and other end of the ray extends indefinitely. An angle is formed when two... View Article
In statistics, standard deviation (SD) is defined as the measure of change or dispersion of data from the actual mean. Whereas standard error of... View Article
In mathematics, nPr is the permutation of arrangement of ‘r’ objects from a set of ‘n’ objects, into an order or sequence. The formula to find... View Article
To find the probability of the occurrence of two independent events A and B at the same time, we multiply the probabilities of individual events.... View Article
If two vectors are perpendicular to each other, then their dot product is equal to zero. Suppose A and B are two vectors. Then, A.B = |A||B|... View Article
The probability of an event to occur given the other event has already occurred, is called conditional probability. Suppose, event A has already... View Article
