Total number of relations

Introduction|Set|Cartesian Product|Example|Domain Of A Relation|Range Of A Relation|Codomain Of A Relation|Relation|Example|Total Number Of Relation|Practice Question|OMR|Summary

Let A = {1, 2}, B = (3, 4, 5}. Find the total number relations from A to B.

If the atomic number (Z) and mass number (A) of an element X are related by the equation A+Z= 46 and the total number of neutrons in one atom of X is 16, then the total number of protons and electrons in one atom of element X='a'. Find value of 'a'

In an examination 65% of the total examinees passed.If the total number of failures is 420, find the total number of examinees.

If the set A has 10 elements, then the ratio of total number of reflexive relations to total number of symmetric relations is 2^(k) then k=

If n(A)=4 ,then total number of reflexive relations that can be defined on the set A is

In a zoo,the total number of rabbits and peacocks is 50 and the total number of their legs is 140. Find the number of rabbits and number of peacocks.

In a zoo, the total number of rabbits and peacocks is 50 and the total number of their legs is 140. Find the number of rabbits and number of peacocks.