1.

Find the HCF of 72, 108 and 180.A. 72B.24C.12D. 361. D2. B3. C4. A

Answer» Correct Answer - Option 1 : D

Given:

Numbers given are 72, 108 and 180.

Calculation:

We have to find out the HCF of 72, 108 and 180.

72 can be expressed as 2 × 2 × 2 × 3 × 3

108 can be expressed as 2 × 2 × 3 × 3 × 3

180 can be expressed as 2 × 2 × 5 × 3 × 3

As we can see, all numbers have the combination of (2 × 2 × 3 × 3) a factor.

Which means that (2 × 2 × 3 × 3) which is equal to 36 is HCF of 72, 108 and 180.

 The value of HCF of 72, 108 and 180 is 36.



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