### how to find average of a set of observations

hello readers, I am sharing how to find average through this post as questions on average is asked in almost all competitive exams There are two […]

hello readers, I am sharing how to find average through this post as questions on average is asked in almost all competitive exams There are two […]

Odd Days Number of days more than the complete weeks are called odd days in a given period. Leap Year A leap year has 366 […]

Speed, Time and Distance : Speed = Distance / Time Distance = Speed x Time km/hr to m/sec conversion : x km/hr = x ( […]

INLET : A pipe connected with a tank or cistern or a reservoir,that fills it, it is known as Inlet OUTLET : A pipe connected […]

Factorial Notation : Let n be a positive integer. Then, factorial n, denoted n! is defined as : n! = n(n – 1)(n – 2) … 3.2.1. example : 0! […]

RECTANGLE Area of a rectangle = (Length x Breadth). Perimeter of a rectangle = 2(Length + Breadth). SQUARE Area of a square = (side)2 = 1/2(diagonal)2. […]

The face or dial of clock is a circle whose circumference is divided into 60 equal parts, named minute spaces. A clock has two hands. […]

If a number is multiplied by itself, then the result of this multiplication is called square of that number. Suppose a number is m, then […]

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