## What are the three ways to describe a set?

There are three main ways to identify a set:

### How do you describe set?

A set in mathematics is a collection of well defined and distinct objects, considered as an object in its own right. The most basic properties are that a set “has” elements, and that two sets are equal (one and the same) if and only if every element of one is an element of the other.

Describing sets

**What is the HCF of 43 91 and 183?**

Bulusuchaitanya wrote: Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case. Greatest number=HCF(91-43, 183-91, 183-43)=HCF(48, 92, 140)=4.

**How do you find the HCF of 3 numbers?**

To find out HCF of three given numbers using division method, Step 1: Find out HCF of any two numbers. Step 2: Find out the HCF of the third number and the HCF obtained in step 1. Step 3: HCF obtained in step 2 will be the HCF of the three numbers.

## What is the greatest number that divides 307 and 330?

Answer. Answer: The number will be HCF of 307 ” 3 = 304 and 330 ” 7 = 323.

### What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case?

Reminder 2. Therefore 110″2=108 AND 128″2=126 are fully divisible.

Hence the greatest number is 45.

**What is the greatest number to divide 2400?**

We have to find the greatest number that will divide 2400 and 1810 and leave remainders 6 and 4 respectively. So, the required number will divide (2400 ” 6) = 2394 and (1810 ” 4) = 1806 completely with zero remainder. Therefore, the required number is the greatest common factor of 2394 and 1806.

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