Averages :- The average is the mean value, which is the ratio of the sum of the values in a given set to all the values in the set.
Average = Total Sum of observations / Total Number of observations
Ratio and Proportion :- Ratio is used, when we comparing two quantities of the same type, and A proportion is the equality of two ratios.
Ratio and Proportion also will help to manage business, and daily life activity.
Profit and Loss :- The terms profit and loss are used to determine whether a firm is profitable or not,
In cases where the selling price exceeds the cost price, the difference between the two is referred to as profit.
When the selling price is less than the cost price, the difference between the two is referred to as a loss.
Percentage :- The Latin word “per centum,” which meaning “by the hundred,” was the source of the word “percentage.”
In another term Fractions with a denominator of 100 are called percentages.
Speed = Distance/ Time
Time = Distance/Speed
Distance = (Speed x Time)
km/hr to m/sec conversion : x km/hr = x X 5/18 m/sec .
m/sec to km/hr conversion : x m/sec = x X 18/5 km/hr
Mathematical aptitude:- Testing your ability to use numbers and calculations to answer mathematical issues is known as mathematical aptitude.
Fraction :- A fraction represents a part of a total. The Latin word “fractio” which meaning “to break” is the source of the English term “fraction.” A fraction is a component or section taken from a whole, which can be any number, a certain amount, or an object.
For example, 5/7, 9/8, 2/5, 3/2.
Mathematical Reasoning Notes for UGC NET 2024Mathematical reasoning :- Mathematical reasoning is a branch of the Math’s where we can evaluate the reliability of the assertions which are delivered. Our daily lives are highly depend on Mathematical Reasoning and Aptitude .
Assume a class contains student of the subject Math, English and Management. And now it is said that, all the management subject student are being removed from the class, it follows logically that the only left in the class are Math and English student.