Kinds of Fractions
Fundamental (Numbers)
Relatively Prime ( Co-Prime ) : Two positive integers are said to be relatively prime to each other if their highest common factor ( H.C.F. ) is 1.
(a, b) = H.C.F. of a and b & [a, b] = L.C.M. of a …
Numbers
Introduction
In Hindu Arabic system, we use ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 called digits are used to represent any number. A group of figures, denoting a number is called a numeral ( o…
SET - THEORY
SET – THEORY
- Set : A well defined collection of objects is called a set.
The objects in a set are called its elements or members.
- If A is a set and x is an ele…
- If A is a set and x is an ele…
Time and Work Examples
TIME & WORK
Examples :
- A can build a wall in 40 days, which B alone can build in 50 days. If they build it together and get a payment of Rs. 112…
